An emergency treatment device and method for wire breakage of a winch

Abstract

The application provides a winch steel wire fracture and falling emergency treatment device and a treatment method. The winch steel wire fracture and falling emergency treatment device comprises a clamping unit, a control unit and a piston unit, the piston unit is fixedly arranged relative to a well mouth; the clamping unit comprises a first clamping part and a second clamping part, a steel wire of a winch passes through a gap between the first clamping part and the second clamping part and then enters an inside of a drilling tool; the piston unit comprises a cylinder body, a piston rod and a switch valve; the control unit is connected with the switch valve to control the action of the piston rod so that the first clamping part approaches the second clamping part to clamp the fractured steel wire. The winch steel wire fracture and falling emergency treatment device can brake the fractured steel wire within 1 second, prevents the fractured steel wire and the inclinometer from falling into a water eye of the drilling tool, reduces invalid tripping operations, reduces the risk in the operation process, and saves the drilling period.

Description

Technical Field

[0001] This invention relates to the field of oil drilling, and more specifically, to an emergency treatment device and method for winch wire breakage and falling. Background Technology

[0002] During the hoisting process of the directional drilling winch, wire rope breakage can occur between the wellhead and the winch drum due to factors such as wire rope fatigue, damage, poor drilling fluid performance, and poor wellbore trajectory. For example... Figure 1 As shown, most of the breakage of the inclinometer wire occurs between the wellhead and the inclinometer winch. Figure 2 As shown, after the wire broke, the lack of an emergency response device caused the surveying instrument and wire to fall into the drill string's water hole, resulting in ineffective tripping operations. Ineffective tripping operations due to wire breakage are common in drilling, requiring repeated tripping of the drill string and wasting time. For example, when surveying a 4500m deep well, if the wire breaks between the wellhead and the surveying drum at 2000m, falling into the drill string's water hole, theoretically, 2500m of drill string needs to be tripped to find the broken wire. This would require tripping approximately 5000m of drill string, which, at an average tripping speed of 600m per hour, would result in a loss of nearly 9 hours, delaying drilling time and the drilling cycle.

[0003] Publication number "CN106115528A" and titled "Overload and Rope Breakage Protection System for Drilling Winch Wire Rope" discloses an overload and rope breakage protection system for a drilling winch wire rope, comprising: a sheave, a tension sensor, a wire rope, a drilling winch, and a braking control system. The load is connected via the tail end of the wire rope, which passes through the tension sensor and is wound around the drilling winch drum. The wire rope also passes over the sheave, and its head end is fixed to the drilling winch drum. The drilling winch control system is connected to the drilling winch braking system, the drilling winch motor, and the wire rope tension sensor. This system can provide overload alarm and power-off protection for the wire rope, preventing it from breaking due to overload. However, it cannot brake the wire rope in a very short time after it breaks to prevent it from falling into the drill string. Summary of the Invention

[0004] The purpose of this invention is to address at least one of the aforementioned deficiencies in the prior art. For example, one objective of this invention is to provide an emergency handling device for winch wire breakage and detachment. Another objective of this invention is to provide an emergency handling method to prevent winch wire breakage and detachment.

[0005] To achieve the above objectives, one aspect of the present invention provides an emergency handling device for winch wire breakage and fall. The device includes a clamping unit, a control unit, and a piston unit, wherein the piston unit is fixedly positioned relative to the wellhead. The clamping unit includes a first clamping component and a second clamping component, wherein the second clamping component is fixedly positioned relative to the wellhead, and the first and second clamping components are positioned opposite each other. The winch wire passes through the gap between the first and second clamping components and enters the drill string. The piston unit includes a cylinder, a piston rod, and a switching valve, wherein the cylinder is fixedly positioned relative to the wellhead, one end of the piston rod is disposed in the cylinder, and the other end is fixedly connected to the first clamping component. The switching valve is disposed on a pipeline connecting the cylinder and a fluid medium. The control unit is connected to the switching valve and controls the piston rod to move, causing the first clamping component to move closer to the second clamping component to clamp the broken wire.

[0006] In one exemplary embodiment of one aspect of the present invention, the second clamping member can be horizontally disposed on the wellhead ground, the first clamping member can be disposed directly above the second clamping member, and the piston unit can be vertically disposed above the second clamping member.

[0007] In one exemplary embodiment of the present invention, the first clamping component may include a slider with a U-shaped groove at the bottom and a first metal block, the first metal block being fixedly disposed on the slider with a U-shaped groove at the bottom, and the second clamping component may include a U-shaped metal fixing groove and a second metal block, the second metal block being fixedly disposed through the U-shaped metal fixing groove.

[0008] In one exemplary embodiment of this invention, the emergency treatment device may further include a fixing unit, wherein the piston unit is fixedly connected to the wellhead via the fixing unit; the fixing unit may include a U-shaped plate, the U-shaped plate may include a horizontal fixing plate and a vertical fixing plate, wherein the horizontal fixing plate is fixedly disposed to the wellhead, the horizontal fixing plate is provided with an opening for the piston rod to pass through, the vertical fixing plate is disposed on the upper end surface of the horizontal fixing plate and fixedly connected to the horizontal fixing plate, the cylinder is fixed on the vertical fixing plate, and the piston rod passes through the opening and is fixedly connected to the first clamping component.

[0009] In one exemplary embodiment of the present invention, the fixing unit may further include a U-shaped fixing plate and an F-shaped fixing plate with pulley grooves. One end of the F-shaped fixing plate with pulley grooves is fixedly connected to the connector, and the other end is fixedly connected to the U-shaped fixing plate. The U-shaped fixing plate is fixedly connected to the U-shaped plate, and the height of the U-shaped plate in the vertical direction can be adjusted.

[0010] In one exemplary embodiment of one aspect of the present invention, the clamping unit may further include a piston return spring and a slider return spring. The piston return spring is disposed in the cylinder and sleeved on the piston rod. One end of the slider return spring is connected to the horizontal fixed plate, and the other end is connected to the first clamping component.

[0011] In one exemplary embodiment of one aspect of the present invention, the emergency treatment device may further include an ear plate, one end of which is connected to a U-shaped fixing plate and the other end of which is connected to a horizontal fixing plate of a U-shaped plate, so as to adjust the angle between the U-shaped plate and the horizontal plane.

[0012] In one exemplary embodiment of one aspect of the present invention, the emergency response device may further include a straightening auxiliary pulley, which is disposed between the winch and the clamping unit to straighten the steel wire so that the steel wire is always positioned between the first clamping component and the second clamping component.

[0013] In one exemplary embodiment of this invention, the piston unit may be a cylinder, the fluid medium may be gas, and the switching valve may be a solenoid valve.

[0014] In one exemplary embodiment of this invention, the air pressure in the cylinder can be 0.8~1 MPa, the braking force generated by the first clamping component and the second clamping component can be 6.48~9.6 KN, and the braking length of the emergency response device on the steel wire can reach more than 6000m.

[0015] Another aspect of the present invention provides an emergency handling method for preventing winch wire from breaking and falling. The method is implemented by the winch wire breaking and falling emergency handling device described in any one of the above claims, and the method includes the following steps: during the inclination measurement process, the operator monitors the wire in real time. If the wire breaks, the control unit opens the piston unit switch valve; high-pressure fluid enters the cylinder and pushes the piston rod to compress the piston return spring. At the same time, the piston rod pushes the first clamping component downward to move closer to the second clamping component; the first metal block and the second metal block on the first clamping component and the second clamping component brake the broken wire between the first clamping component and the second clamping component.

[0016] In another exemplary embodiment of the present invention, the method may further include the step of separating the first clamping component and the second clamping component after braking is completed: the control unit closes the switching valve of the piston unit to discharge the compressed fluid in the cylinder, and the piston rod moves upward under the action of the piston return spring and the slider return spring, so that the first clamping component and the second clamping component are separated and returned to their original positions.

[0017] In another exemplary embodiment of the present invention, the fluid pressure can be 0.8~1 MPa, the braking force generated by the first clamping component and the second clamping component can be 6.48~9.6 KN, the braking length of the emergency response device on the steel wire can reach more than 6000m, and the braking time can be ≤1s.

[0018] Compared with the prior art, the beneficial effects of the present invention may include at least one of the following:

[0019] 1) The emergency handling device of the present invention can brake the broken steel wire within 1 second, preventing the broken steel wire of the directional winch and the directional instrument from falling into the water hole of the drill string. This not only reduces ineffective tripping and tripping operations and reduces the risks in the operation process, but also saves drilling cycle time.

[0020] 2) This invention saves on drilling rig dismantling costs, labor costs, and fuel costs associated with drilling operations, thereby reducing drilling costs.

[0021] 3) This invention provides a reference for preventing electrical measuring cables and wired directional drilling wires from breaking and falling into the well. Attached Figure Description

[0022] Figure 1 A schematic diagram of the hoisting and measuring process is shown;

[0023] Figure 2 A schematic diagram showing the broken steel wire falling into the well is shown;

[0024] Figure 3 A schematic diagram of the overall structure of an emergency handling device for winch wire breakage and fall, according to an exemplary embodiment of the present invention, is shown.

[0025] The annotations in the attached figures are explained as follows:

[0026] 1-Clamping unit, 101-First clamping component, 1011-Slider with U-shaped groove at the bottom, 1012-First metal block, 102-Second clamping component, 1021-U-shaped metal fixing groove, 1022-Second metal block, 2-Control unit, 201-Power supply, 202-Switch valve button, 203-Switch valve power cord, 3-Piston unit, 301-Cylinder body, 302-Piston rod, 303-Switch valve, 304-Cylinder piston, 305-Pipeline for fluid medium, 306-Cylinder mounting base, 4-Steel wire, 5-Fixing bolt, 6-Fixing unit, 601 - U-shaped plate, 6011-Horizontal fixing plate, 6012-Vertical fixing plate, 6013-Opening, 602-U-shaped fixing plate, 603-F-type fixing plate with pulley groove, 604-Main pulley, 605-U-shaped groove, 7-Disc-shaped fixing bolt, 8-Piston return spring, 9-Slider return spring, 10-Ear plate, 11-Ear plate positive and negative adjustment bolt, 12-Straightening auxiliary pulley, 13-First frame, 14-Second frame, 15-Door safety pin, 16-Door, 17-Door hinge, 18-Joint, 19-Anti-jump pin with safety chain, 20-Drum, 21-Inclination winch. Detailed Implementation Plan

[0027] In the following description, an emergency handling device and method for winch wire breakage and fall according to the present invention will be described in detail with reference to the accompanying drawings and exemplary embodiments. It should be noted that "first," "second," etc., are merely for ease of description and distinction, and should not be construed as indicating or implying relative importance. "Upper," "lower," "inner," and "outer" are merely for ease of description and to establish relative orientation or positional relationships, and do not indicate or imply that the component referred to must have that specific orientation or position.

[0028] In general, after the measuring wire breaks, the directional measuring instrument and the broken wire will fall into the drill string's water hole. At this time, only by tripping the drill string can the broken end of the measuring wire rope be found. The hazards of tripping the drill string are: (1) The pumping action and failure to fill the drilling fluid in time can induce overflow and blowout, leading to the abandonment of the oil and gas field. (2) Non-standard operation, violation of regulations, illegal command, and inadequate inspection can induce downhole complexity and downhole accidents, resulting in the abandonment of drilling footage and well destruction. (3) Drilling fluid is sprayed during tripping. Drilling fluid contains various chemicals. Drilling fluid flowing into farmland, rivers, etc., will cause surface environmental pollution.

[0029] Therefore, the inventors proposed an emergency handling device for broken and fallen winch wire. By setting clamping units on both sides of the wire between the winch and the wellhead, and using a piston unit to push the clamping units to clamp, the wire is clamped in time when it breaks, preventing the broken wire from entering the drill string and causing invalid tripping and tripping operations and wire retrieval operations.

[0030] In a first exemplary embodiment of the present invention, the emergency handling device for winch wire breakage and fall mainly includes a clamping unit, a control unit, and a piston unit.

[0031] The piston unit is fixed relative to the wellhead, enabling it to apply thrust in a predetermined direction. For example, the piston unit connector is fixed. The clamping unit includes a first clamping component and a second clamping component that cooperate to clamp the wire. The second clamping component is fixed relative to the wellhead. For example, the second clamping unit is fixed to the wellhead surface and located on one side of the wire. The first and second clamping components are positioned opposite each other, with a predetermined distance between them, allowing the winch wire to pass through the gap between the first and second clamping components and enter the drill string for directional drilling operations.

[0032] The steel wire can be a hoisting steel wire rope, which will wrap around the drum when it breaks.

[0033] The piston unit includes a cylinder, a piston rod, and a switching valve. The cylinder is fixed relative to the wellhead, and one end of the piston rod is housed within the cylinder, while the other end is fixedly connected to a first clamping component. The switching valve is located on the pipeline connecting the cylinder to the fluid medium. A control unit connected to the switching valve controls the piston rod's movement, causing the first clamping component to move towards a second clamping component to clamp the broken steel wire. Here, the cylinder can be fixedly connected to the wellhead surface via a mounting bracket.

[0034] In this embodiment, the control unit may include a power supply, a valve switch button, and a valve switch power cord.

[0035] Specifically, both the valve switch button and the power supply can be located in the operator's cab of the yaw winch. The power supply is connected to the valve switch of the piston unit via the valve switch power supply line, and the valve switch button is located near the power supply on the valve switch power supply line. For example, the valve switch can be a solenoid valve, and the opening and closing of the valve switch is controlled by the valve switch button, thereby controlling the movement of the piston unit.

[0036] In this embodiment, a cylinder piston is mounted on the piston rod. A switch valve controls the flow of fluid medium into the cylinder, and the fluid medium pushes the piston rod within the cylinder.

[0037] In this exemplary embodiment, the second clamping component can be horizontally disposed on the ground next to the wellhead, the first clamping component can be disposed directly above the second clamping component, and the piston unit can be vertically disposed above the second clamping component.

[0038] Specifically, the piston unit can be fixedly mounted above the first clamping component by a bracket. The piston unit is set vertically downward. The lower end of the piston rod of the upper piston unit of the second clamping component is fixedly connected. The piston unit pushes the second clamping component to move downward and move closer to the first clamping component for clamping.

[0039] In this exemplary embodiment, the first clamping component may include a slider with a U-shaped groove at the bottom and a first metal block, the first metal block being fixedly mounted on the slider with the U-shaped groove at the bottom. The second clamping component may include a U-shaped metal fixing groove and a second metal block, the second metal block being fixedly mounted through the U-shaped metal fixing groove. Here, the first metal block and the second metal block may be copper blocks.

[0040] The first metal block can be fixedly mounted on the bottom U-shaped groove slider by fixing bolts, and the second metal block can be fixedly mounted on the U-shaped metal fixing groove by fixing bolts.

[0041] In this exemplary embodiment, the emergency treatment device may further include a fixing unit, through which the piston unit is fixedly connected to the wellhead or the ground.

[0042] Furthermore, the fixing unit may include a U-shaped plate, which may include a horizontal fixing plate and a vertical fixing plate. The horizontal fixing plate is fixedly mounted to the wellhead and has an opening for the piston rod to pass through. The vertical fixing plate is mounted on the upper surface of the horizontal fixing plate and fixedly connected to it. The cylinder body is fixed to the vertical fixing plate, and the piston rod passes through the opening in the horizontal fixing plate and is fixedly connected to the upper end of the first clamping component. Specifically, a cylinder fixing seat may be provided on the cylinder body, and the cylinder fixing seat is fixed to the vertical fixing plate by disc-shaped fixing bolts. The piston rod and the slider with a U-shaped groove at the bottom are fixedly connected by a connecting pin.

[0043] In this exemplary embodiment, the fixing unit may further include a U-shaped fixing plate and an F-shaped fixing plate with pulley grooves. One end of the F-shaped fixing plate with pulley grooves is fixedly connected to the wellhead drilling joint, and the other end is fixedly connected to the U-shaped fixing plate. The U-shaped fixing plate is fixedly connected to the U-shaped plate, and the height of the U-shaped plate in the vertical direction is adjustable. A main pulley is provided on the F-shaped fixing plate with pulley grooves.

[0044] Furthermore, the U-shaped fixing plate is fixed in the U-shaped groove by disc-shaped fixing bolts, which is used to adjust the vertical height of the U-shaped plate.

[0045] In this exemplary embodiment, the clamping unit may further include a piston return spring and a slider return spring. The piston return spring is disposed within the cylinder and sleeved on the piston rod, with one end acting on the cylinder piston on the piston rod and the other end acting on the inner wall of the lower end of the cylinder. One end of the slider return spring is fixedly connected to the lower end face of the horizontal fixing plate, and the other end is fixedly connected to the first clamping component.

[0046] Specifically, when clamping is required, fluid medium enters the cylinder, pushing the piston rod downwards and compressing the piston return spring. The piston rod then pushes the first clamping component downwards, stretching the slider return spring. When clamping is complete and reset is required, the fluid in the cylinder is discharged, the piston return spring extends and retracts to its original position, and the slider return spring retracts and retracts to its original position, causing the piston rod and the first clamping component to move upwards.

[0047] In this exemplary embodiment, the emergency treatment device may further include an ear plate, one end of which is connected to a U-shaped fixing plate and the other end of which is connected to a horizontal fixing plate of a U-shaped plate, so as to adjust the angle between the U-shaped plate and the horizontal plane.

[0048] Specifically, the ear plate is connected to the U-shaped fixing plate at one end by the ear plate positive and negative adjustment bolts, and fixed to the ┻-shaped plate at the other end.

[0049] Furthermore, the U-shaped fixing plate is fixed in the U-shaped groove of the U-shaped fixing plate by disc-shaped fixing bolts, and the ear plate is fixedly connected to the U-shaped groove at one end by the ear plate positive and negative adjustment bolts, and fixed to the U-shaped plate at the other end, for adjusting the horizontal angle of the U-shaped plate.

[0050] In this exemplary embodiment, the emergency response device may further include a straightening auxiliary pulley, which is disposed between the winch and the clamping unit to straighten the steel wire so that the steel wire is always positioned between the first clamping component and the second clamping component. For example, the straightening auxiliary pulley may be fixedly mounted on the ground between the winch and the clamping unit by a bracket.

[0051] Furthermore, the steel wire enters the drill bit's interior after passing through the gap between the straightening auxiliary pulley, the clamping unit, and the main pulley.

[0052] In this exemplary embodiment, the piston unit may be a cylinder, the fluid medium may be gas, and the switching valve may be a solenoid valve.

[0053] For example, the gas could be air.

[0054] In this exemplary embodiment, the air pressure in the cylinder can be 0.8~1 MPa, the braking force generated by the first clamping component 101 and the second clamping component can be 6.48~9.6 KN, and the length of the steel wire that the emergency response device can brake can be more than 6000m.

[0055] The braking force and wire length can be calculated using the following steps:

[0056] (1) Calculate the piston area of ​​the cylinder.

[0057] Cylinder piston rod area = 3.14 * (0.004 / 2) 2 3.14 * (0.001 / 2) 2 =16:1

[0058] (2) Torque of cylinder piston rod

[0059] When the air pressure on the cylinder piston is 0.8~1 MPa, the cylinder piston rod generates a torque of 10.8~16 MPa, that is, the first metal block will also generate a braking torque of 10.8~16 MPa through the cylinder piston rod.

[0060] (3) Calculate the areas of the first metal block and the second metal block.

[0061] The first and second metal blocks are 60mm long, 10mm wide, and have an area of ​​0.0006m². 2 .

[0062] (4) Calculate braking force and braking length

[0063] According to P=F / S, the lower limit of braking force is:

[0064] F=P*S=10800000pa*0.0006=6480N=6.48KN=0.648T=6.48KN

[0065] According to P=F / S, the upper limit of braking force is:

[0066] F=P*S=16000000pa*0.0006=9600N=9.6KN=0.96T=9.6KN

[0067] Weight of the steel wire:

[0068] A 2.5mm steel wire weighs approximately 2.4KN in air. If the buoyancy of the drilling fluid is calculated as 0.8, then the weight of the steel wire in the drilling fluid is 1.92KN.

[0069] Therefore, when the air pressure on the piston of the actuating cylinder is 0.8~1Mpa, the first metal block will generate a braking force of 0.648~0.96T or 6.48~9.6KN on the broken steel wire located between the first and second metal blocks. This force is far greater than the weight of a bundle of brand-new ￠2.5mm steel wire in the air and the weight of the steel wire in the drilling fluid, which is more than enough to meet the requirements for hoisting and measuring a well depth of 6000m.

[0070] In this exemplary embodiment, the emergency handling device may further include a first frame, a second frame, a valve safety pin, a valve, and a valve hinge. The first frame is disposed outside the first clamping component, the second frame is disposed outside the second clamping component, the valve is disposed on the second frame, the valve hinge secures the valve, and one end of the valve safety pin is disposed on the first frame, and the other end is disposed on the valve.

[0071] The first frame and the second frame are used to install the first clamping component, the second clamping component, the straightening auxiliary pulley, and the anti-jump pin with a safety chain.

[0072] Specifically, opening the valve places the steel wire between the first clamping component and the second clamping component, and closing the valve prevents the steel wire from slipping out between the first clamping component and the second clamping component.

[0073] In this exemplary embodiment, the emergency handling device may further include a safety chain anti-jump pin, which is located near the uprighting auxiliary pulley. One end of the safety chain anti-jump pin is mounted on the first frame, and the other end is mounted on the second frame.

[0074] The safety chain anti-jump pin is designed to prevent the steel wire on the straightening auxiliary pulley from jumping out of the pulley groove. The safety chain anti-jump pin is located above the straightening auxiliary pulley, 2mm from its edge.

[0075] Figure 3 A schematic diagram of the overall structure of an emergency handling device for winch wire breakage and fall, according to an exemplary embodiment of the present invention, is shown.

[0076] In a second exemplary embodiment of the present invention, as Figure 3 As shown, the emergency handling device for winch wire breakage and fall includes a clamping unit 1, a control unit 2, and a piston unit 3.

[0077] The piston unit 3 is fixedly positioned relative to the wellhead, enabling it to apply thrust in a predetermined direction. For example, the piston unit 3 has a fixed connector. The clamping unit 1 includes a first clamping component 101 and a second clamping component 102 that cooperate to clamp the wire 4. The second clamping component 102 is fixedly positioned relative to the wellhead. For example, the second clamping unit 102 is fixed to the wellhead surface and located on one side of the wire 4. The first clamping component 101 and the second clamping component 102 are positioned opposite each other, with a predetermined distance between them. The winch's wire 4 can pass through the gap between the first clamping component 101 and the second clamping component 102 and enter the drill string for directional drilling operations.

[0078] Among them, the steel wire 4 can be a hoisting steel wire rope, and when the steel wire 4 breaks, it will be wrapped around the drum 20.

[0079] Piston unit 3 includes a cylinder 301, a piston rod 302, and a switching valve 303. The cylinder 301 is fixedly positioned relative to the wellhead. One end of the piston rod 302 is housed within the cylinder 301, and the other end is fixedly connected to the first clamping component 101. The switching valve 303 is located on a pipeline 305 connecting the cylinder 301 to the fluid medium. Control unit 2, connected to the switching valve 303, controls the piston rod 302 to move, causing the first clamping component 101 to move closer to the second clamping component 102, thus clamping the broken steel wire 4. Here, the cylinder 301 can be fixedly connected to the wellhead surface via a mounting bracket.

[0080] In this embodiment, the control unit 2 may include a power supply 201, a valve switch button 202, and a valve switch power cord 203.

[0081] Specifically, both the valve switch button 202 and the power supply 201 can be located in the operator's cab of the slewing winch 21. The power supply 201 is connected to the valve switch 303 of the piston unit 3 via the valve switch power supply line 203. The valve switch button 202 is located on the valve switch power supply line 203 near the power supply 201. For example, the valve switch 303 can be a solenoid valve, and the opening and closing of the valve switch 303 is controlled by the valve switch button 202, thereby controlling the movement of the piston unit 3.

[0082] In this embodiment, a cylinder piston 304 is provided on the piston rod 302. The switch valve 303 controls the fluid medium to enter the cylinder 301, and the fluid medium pushes the piston rod 302 to move in the cylinder 301.

[0083] In this exemplary embodiment, as Figure 3 As shown, the second clamping component 102 can be horizontally set on the ground next to the wellhead, the first clamping component 101 can be set directly above the second clamping component 102, and the piston unit 3 can be vertically set above the second clamping component 102.

[0084] Specifically, the piston unit 3 can be fixedly mounted above the first clamping component 101 by a bracket. The piston unit 3 is set vertically downward. The piston rod 302 of the upper piston unit 3 of the second clamping component 102 is fixedly connected to the lower end. The piston unit 3 pushes the second clamping component 102 to move downward and move closer to the first clamping component 101 for clamping.

[0085] In this exemplary embodiment, as Figure 3As shown, the first clamping component 101 may include a slider 1011 with a U-shaped groove at the bottom and a first metal block 1012, the first metal block 1012 being fixedly mounted on the slider 1011 with the U-shaped groove at the bottom. The second clamping component 102 may include a U-shaped metal fixing groove 1021 and a second metal block 1022, the second metal block 1022 being fixedly mounted through the U-shaped metal fixing groove 1021.

[0086] Here, the first metal block 1012 and the second metal block 1022 can be copper blocks.

[0087] The first metal block 1012 can be fixedly mounted on the bottom U-shaped groove slider 1011 by fixing bolts 5, and the second metal block 1022 can be fixedly mounted on the U-shaped metal fixing groove 1021 by fixing bolts 5.

[0088] In this exemplary embodiment, as Figure 3 As shown, the emergency treatment device may also include a fixing unit 6, and the piston unit 3 is fixedly connected to the wellhead or the ground through the fixing unit 6.

[0089] Further, the fixing unit 6 may include a U-shaped plate 601, which may include a horizontal fixing plate 6011 and a vertical fixing plate 6012. The horizontal fixing plate 6011 is fixedly disposed to the wellhead and has an opening 6013 for the piston rod 302 to pass through. The vertical fixing plate 6012 is disposed on the upper end surface of the horizontal fixing plate 6011 and fixedly connected to it. The cylinder body 301 is fixed to the vertical fixing plate 6012, and the piston rod 302 passes through the opening 6013 on the horizontal fixing plate 6011 and is fixedly connected to the upper end of the first clamping component 101.

[0090] Specifically, a cylinder mounting base 306 may be installed on the cylinder body 301, and the cylinder mounting base 306 is fixed to the vertical mounting plate 6012 by disc-shaped fixing bolts 7. The piston rod 302 and the bottom U-shaped groove slider 1011 are fixedly connected by connecting pins.

[0091] In this exemplary embodiment, as Figure 3 As shown, the fixing unit 6 may further include a U-shaped fixing plate 602 and an F-shaped fixing plate 603 with pulley grooves. One end of the F-shaped fixing plate 603 is fixedly connected to the wellhead drilling connector 18, and the other end is fixedly connected to the U-shaped fixing plate 602. The U-shaped fixing plate 602 is fixedly connected to the U-shaped plate 601, and the height of the U-shaped plate 601 in the vertical direction is adjustable.

[0092] Among them, the F-type belt has a main pulley 604 installed on the pulley groove.

[0093] Furthermore, the U-shaped fixing plate 602 is fixed in the U-shaped groove 605 by the disc-shaped fixing bolt 7, and is used to adjust the vertical height of the U-shaped plate 601.

[0094] In this exemplary embodiment, as Figure 3 As shown, the clamping unit 1 may further include a piston return spring 8 and a slider return spring 9. The piston return spring 8 is disposed in the cylinder 301 and sleeved on the piston rod 302. One end of the piston return spring 8 acts on the cylinder piston 304 on the piston rod 302, and the other end acts on the lower inner wall of the cylinder 301. One end of the slider return spring 9 is fixedly connected to the lower end face of the horizontal fixing plate 6011, and the other end is fixedly connected to the first clamping component 101.

[0095] Specifically, when clamping is required, fluid medium enters the cylinder 301, pushing the piston rod 302 downward and compressing the piston return spring 8. The piston rod 302 pushes the first clamping component 101 downward, stretching the slider return spring 9. When clamping is complete and reset is required, the fluid in the cylinder 301 is discharged, the piston return spring 8 extends and retracts to its original position, and the slider return spring 9 contracts and retracts to its original position, causing the piston rod 302 and the first clamping component 101 to move upward.

[0096] In this exemplary embodiment, as Figure 3 As shown, the emergency treatment device may also include an ear plate 10, one end of which is connected to a U-shaped fixing plate 602, and the other end is connected to a horizontal fixing plate 6011 of a U-shaped plate 601, so as to adjust the angle between the U-shaped plate 601 and the horizontal plane.

[0097] Specifically, the ear plate 10 is connected to the U-shaped fixing plate 602 at one end by the ear plate positive and negative adjustment bolt 11, and fixed to the U-shaped plate 601 at the other end.

[0098] Furthermore, the U-shaped fixing plate 602 is fixed in the U-shaped groove 605 of the U-shaped fixing plate 602 by the disc-shaped fixing bolt 7. The ear plate 10 is fixedly connected to the U-shaped groove 605 at one end by the ear plate positive and negative adjustment bolt 11, and fixed to the U-shaped plate 601 at the other end, for adjusting the horizontal angle of the U-shaped plate 601.

[0099] In this exemplary embodiment, as Figure 3 As shown, the emergency response device may further include a straightening auxiliary pulley 12, which is disposed between the winch and the clamping unit 1 to straighten the steel wire 4 so that the steel wire 4 is always positioned between the first clamping component 101 and the second clamping component 102. For example, the straightening auxiliary pulley 12 can be fixedly mounted on the ground between the winch and the clamping unit 1 by a bracket.

[0100] Furthermore, the steel wire 4 enters the drill bit through the gap between the straightening auxiliary pulley 12, the clamping unit 1, and the main pulley 604.

[0101] In this exemplary embodiment, as Figure 3 As shown, the piston unit 3 can be a cylinder, the fluid medium can be gas, and the switching valve 303 can be a solenoid valve.

[0102] For example, the gas could be air.

[0103] In this exemplary embodiment, as Figure 3 As shown, the air pressure in the cylinder can be 0.8~1Mpa, the braking force generated by the first clamping component 101 and the second clamping component 102 can be 6.48~9.6KN, and the length of the steel wire 4 that the emergency response device can brake can be more than 6000m.

[0104] In this exemplary embodiment, the emergency handling device may further include a first frame 13, a second frame 14, a valve safety pin 15, a valve 16, and a valve hinge 17. The first frame 13 is disposed outside the first clamping member 101, the second frame 14 is disposed outside the second clamping member 102, the valve 16 is disposed on the second frame 14, the valve hinge 17 secures the valve 16, and one end of the valve safety pin 15 is disposed on the first frame 13, and the other end is disposed on the valve 16.

[0105] The first frame 13 and the second frame 14 are used to install the first clamping component 101, the second clamping component 102, the straightening auxiliary pulley 12, and the anti-jump pin 19 with a safety chain.

[0106] Specifically, opening the valve 16 allows the steel wire 4 to be placed between the first clamping component 101 and the second clamping component 102, while closing the valve 16 prevents the steel wire 4 from sliding out between the first clamping component 101 and the second clamping component 102.

[0107] In this exemplary embodiment, the emergency handling device may further include a safety chain anti-jump pin 19, which is located near the straightening auxiliary pulley 12. One end of the safety chain anti-jump pin 19 is mounted on the first frame 13, and the other end is mounted on the second frame 14.

[0108] The safety chain anti-jump pin 19 is designed to prevent the steel wire 4 on the straightening auxiliary pulley 12 from jumping out of the pulley groove of the straightening auxiliary pulley 12. The safety chain anti-jump pin 19 is located above the straightening auxiliary pulley 12, 2mm away from the edge of the straightening auxiliary pulley 12.

[0109] In a third exemplary embodiment of the present invention, the emergency handling method for preventing winch wire breakage and falling can be implemented by the winch wire breakage and falling emergency handling device described in the first or second exemplary embodiment, and the method includes the following steps:

[0110] During the inclinometer measurement process, the operator monitors the steel wire in real time. If a break is detected, the control unit is activated, opening the piston unit's switch valve. High-pressure fluid enters the cylinder, pushing the piston rod downwards to compress the piston return spring. Simultaneously, the piston rod pushes the first clamping component downwards, approaching the second clamping component. The first and second metal blocks on the first and second clamping components brake the broken steel wire between them.

[0111] In this exemplary embodiment, the method may further include the step of separating the first clamping component and the second clamping component after braking is completed: the control unit closes the switching valve of the piston unit to discharge the compressed fluid in the cylinder, and the piston rod moves upward under the combined action of the elastic force generated by the extension of the piston return spring and the tensile force generated by the contraction of the slider return spring, so that the first clamping component and the second clamping component are separated and returned to their original positions.

[0112] In this exemplary embodiment, the method may further include the sudden loss of weight due to wire breakage, resulting in multiple continuous loops (e.g., caused by the wire winding around the slant winch drum). The broken wire initially slides down very slowly, and after the operator notices the wire breakage, the control unit opens the piston unit switch valve.

[0113] In this exemplary embodiment, the fluid pressure can be 0.8~1 MPa, the braking force generated by the first clamping component and the second clamping component can be 6.48~9.6 KN, the braking length of the steel wire of the emergency response device can be more than 6000 m, and the braking time can be ≤1 s.

[0114] In summary, the beneficial effects of the present invention may include the following:

[0115] 1) The emergency handling device of the present invention can brake the broken steel wire within 1 second, preventing the broken steel wire of the directional winch and the directional instrument from falling into the water hole of the drill string. This not only reduces ineffective tripping and tripping operations and reduces the risks in the operation process, but also saves drilling cycle time.

[0116] 2) This invention saves on drilling rig dismantling costs, labor costs, and fuel costs associated with drilling operations, thereby reducing drilling costs.

[0117] 3) This invention provides a reference for preventing electrical measuring cables and wired drilling directional steel wires from breaking and falling into the well.

[0118] Although the present invention has been described above in conjunction with exemplary embodiments and accompanying drawings, those skilled in the art should understand that various modifications can be made to the above embodiments without departing from the spirit and scope of the claims.

Claims

1. An emergency handling device for winch wire breakage and falling, characterized in that, The emergency handling device for broken and fallen winch wire includes a clamping unit, a control unit, and a piston unit. The clamping unit includes a first clamping component and a second clamping component, wherein the second clamping component is fixedly arranged relative to the wellhead, and the first clamping component and the second clamping component are arranged opposite to each other. The winch wire passes through the gap between the first clamping component and the second clamping component and enters the drill string. The piston unit includes a cylinder, a piston rod, and a switching valve. The cylinder is fixedly positioned relative to the wellhead. One end of the piston rod is disposed in the cylinder, and the other end is fixedly connected to the first clamping component. The switching valve is disposed on the pipeline connecting the cylinder and the fluid medium. The control unit is connected to the switch valve and controls the piston rod to move, causing the first clamping component to move closer to the second clamping component and clamp the broken steel wire; The second clamping component is horizontally positioned on the wellhead surface, the first clamping component is positioned directly above the second clamping component, and the piston unit is vertically positioned above the second clamping component. The first clamping component includes a slider with a U-shaped groove at the bottom and a first metal block. The first metal block is fixedly mounted on the slider with a U-shaped groove at the bottom. The second clamping component includes a U-shaped metal fixing groove and a second metal block. The second metal block is fixedly mounted through the U-shaped metal fixing groove. The emergency treatment device also includes a fixing unit, and the piston unit is fixedly connected to the wellhead through the fixing unit; the fixing unit includes a U-shaped plate, the U-shaped plate includes a horizontal fixing plate and a vertical fixing plate, wherein the horizontal fixing plate is fixedly installed to the wellhead, and the horizontal fixing plate is provided with an opening for the piston rod to pass through, the vertical fixing plate is installed on the upper end surface of the horizontal fixing plate and is fixedly connected to the horizontal fixing plate, the cylinder is fixed on the vertical fixing plate, and the piston rod passes through the opening and is fixedly connected to the first clamping component; The fixing unit also includes a U-shaped fixing plate and an F-shaped fixing plate with pulley grooves. One end of the F-shaped fixing plate with pulley grooves is fixedly connected to the connector, and the other end is fixedly connected to the U-shaped fixing plate. The U-shaped fixing plate is fixedly connected to the U-shaped plate, and the height of the U-shaped plate in the vertical direction can be adjusted. The clamping unit also includes a piston return spring and a slider return spring. The piston return spring is disposed in the cylinder and sleeved on the piston rod. One end of the slider return spring is connected to the horizontal fixed plate, and the other end is connected to the first clamping component. The emergency treatment device also includes an ear plate, one end of which is connected to a U-shaped fixing plate and the other end of which is connected to a horizontal fixing plate of a U-shaped plate, so as to adjust the angle between the U-shaped plate and the horizontal plane; The emergency response device also includes a straightening auxiliary pulley, which is arranged between the winch and the clamping unit to straighten the steel wire so that the steel wire is always between the first clamping component and the second clamping component. The piston unit is a cylinder, the fluid medium is gas, and the switching valve is a solenoid valve.

2. The emergency handling device for winch wire breakage and falling according to claim 1, characterized in that, The air pressure in the cylinder is 0.8~1Mpa, the braking force generated by the first clamping component and the second clamping component is 6.48~9.6KN, and the braking length of the steel wire by the emergency response device is more than 6000m.

3. An emergency handling method to prevent winch wire from breaking and falling, characterized in that, The method is implemented using the emergency handling device for winch wire breakage and fall as described in claim 1, and the method includes the following steps: During the inclinometer measurement process, the operators monitor the steel wire in real time. If a break is found in the steel wire, the control unit is activated to open the piston unit switch valve. High-pressure fluid enters the cylinder and pushes the piston rod to compress the piston return spring. At the same time, the piston rod pushes the first clamping component downward to move closer to the second clamping component. The first metal block and the second metal block on the first clamping component and the second clamping component brake the broken steel wire between the first clamping component and the second clamping component.

4. The emergency handling method for preventing winch wire from breaking and falling according to claim 3, characterized in that, The method further includes the step of separating the first clamping component and the second clamping component after braking is completed: By closing the valve of the piston unit through the control unit, the compressed fluid in the cylinder is discharged. The piston rod moves upward under the action of the piston return spring and the slider return spring, so that the first clamping component and the second clamping component separate and return to their original positions.

5. The emergency handling method for preventing winch wire from breaking and falling according to claim 3, characterized in that, The high-pressure fluid pressure is 0.8~1 MPa, the braking force generated by the first clamping component and the second clamping component is 6.48~9.6 KN, the emergency response device can brake the steel wire for a length of more than 6000m and the braking time is ≤1s.

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