22 results about "Draw-works" patented technology

The utility model discloses a millimeter wave deep well drilling platform, which belongs to the technical field of drilling equipment and comprises a drilling machine, a drilling rod and a gyrotron, the drilling machine and the gyrotron are arranged above the ground surface, one end of the drilling rod is connected with a drilling winch on the drilling machine, and the other end of the drilling rod extends into the ground from a drilling well. The drill rod comprises a drill rod shell and a waveguide tube in the drill rod shell, one end of the waveguide tube is communicated with the waveguide collector, the other end of the waveguide tube is provided with an opening and extends into the ground along with a drill bit of the drill rod, and the gyrotron is provided with a dynamic waveguide and movably connected with the waveguide collector through the dynamic waveguide. The dynamic waveguide comprises a waveguide leading-in pipe, a tail pipe and a plurality of groups of waveguide transmission pipes which are connected in sequence, and a plurality of millimeter wave reflection devices are arranged in the dynamic waveguide. Millimeter wave drilling is utilized, the problems of drill bit abrasion, replacement and the like in traditional drilling are solved through millimeter wave drill bit drilling, and the drilling cost is reduced.

The present invention relates to the technical field of karst cave disposal, specifically to a karst cave detection and disposal method used in the process of drilling a pilot hole of a vertical shaft, comprising the following steps: connecting and installing equipment; turning on the control system, and starting to lower a video probe into the pilot hole of the vertical shaft through a line surveying winch; real-time surveying the internal conditions of the pilot hole of the vertical shaft, and displaying the shape, size, and specific depth of the karst cave; filling the karst cave with cement slurry; after the cement slurry solidifies, using a drilling rig to continue drilling the pilot hole of the vertical shaft, and after drilling through the karst cave section, using a video probe to inspect the filled karst cave. The present invention can accurately detect the shape, size, and specific depth of the karst cave through the coordinated use of a control system, a line surveying winch, a meter, and a video probe, so that subsequent workers can more accurately inject an appropriate amount of cement slurry, which not only reduces the waste of cement slurry, but also reduces the number of repeated fillings, and speeds up the construction process.

The invention discloses a petroleum drilling machine driller voice interaction system and method. The system comprises a man-machine interaction voice operation control system, an integrated driller voice processing system and a drilling machine equipment processing terminal. Awakening, analysis and feedback of voice instructions are achieved through the off-line voice module, key equipment instructions (such as a winch, a rotating disc and a slurry pump) need to be confirmed through secondary voice so as to ensure safety, and non-key equipment instructions (such as a hydraulic station and picture switching) are directly executed; the alarm voice broadcasting system screens and broadcasts abnormal information of the drilling equipment in real time, and driller sight transfer is reduced; according to the control method, a voice instruction is transmitted to the integrated driller processing system through a 485 communication protocol, and drilling machine equipment is driven by a PROFINET protocol to execute actions after logic processing. The operation process is simplified through voice interaction, the operation efficiency and safety are improved, layered instruction confirmation and real-time alarm broadcasting are combined, and the intelligent level of petroleum drilling machine control is remarkably improved.

A dual line drawworks system and methods of using the same. A drilling rig may include two drawworks, each attached to a drilling line that extends through a series of sheaves located on the crown block and a traveling block. One end of the drilling line may be attached to an anchor. The traveling blocks may comprise a series of split blocks which may be separately movable from one another and may be removably attached to an underside of the crown block. The two drawworks may be coupled to one another and to one or more control systems, which may include one or more variable frequency drives, and the two drawworks may be configured to operate at the same speed. Systems may be used to monitor the distance between the traveling blocks and detect and correct for any excess distances therebetween.

A system includes a rig control system for controlling rig equipment operable to perform drilling operations to drill a wellbore at a wellsite, and a blowout preventer (BOP) control system for controlling BOP equipment that is communicatively connected with the rig control system. The rig equipment includes a drawworks for conveying a drill string, at least one sensor operable to output rig data related to the rig equipment, and a rig control workstation to monitor and control the rig equipment. The BOP control system includes at least one sensor operable to output BOP data indicative of operational status of the BOP equipment. When the BOP data indicates that the BOP equipment is closed, the rig control system is operable to display on the rig control workstation information indicative of the BOP equipment being closed, and limit use of the rig control workstation to operate the drawworks.

The invention discloses a petroleum drilling machine system energy-saving control method based on self-adaptive PID, and relates to the technical field of petroleum drilling machine energy-saving control, and the method comprises the steps: selecting a target reference track from an energy consumption map according to a drilling working condition, and generating a multi-dimensional deviation signal; the signal is separated into a low-frequency trend component reflecting a rigid load and a multi-frequency oscillation component reflecting dynamic disturbance by using a characteristic decomposition network. And according to the time domain energy ratio of the two components, decoupling independent calibration is carried out on proportion, integral and differential parameters of the PID controller. And based on the calibrated parameters, a drilling pump power compensation instruction generator and a winch motor rotating speed compensation instruction generator are driven in parallel. And the two outputs are fused to generate a comprehensive regulation control quantity which is synchronously applied to a drilling pump and a winch motor. By means of the method, fine decoupling and targeted control over the load characteristics of the drilling machine are achieved, and the dynamic response quality and the overall energy efficiency of the system under the complex working condition are improved.

The application discloses a wave compensation drilling winch device and belongs to the technical field of marine drilling equipment. The device comprises a winch body, a monitoring unit and a control unit. The winch body comprises a first support, a drum, a steel wire rope, a first driving device and a safety protection device. The free end of the steel wire rope is connected with a dead rope fixer fixed on a derrick after winding through a fixed pulley on a drilling tower crane and a movable pulley on a travelling block. A drill string is connected with the travelling block. The monitoring unit comprises a weight indicator. The control unit is used for calculating an actual drilling pressure value of the drill string according to a detection value of the weight indicator. The control unit can compare the actual drilling pressure value with a set drilling pressure value, and adjust the rotation direction and / or rotation speed of the drum to make the actual drilling pressure value equal to the set drilling pressure value according to a comparison result by controlling the first driving device. The application effectively improves the wave compensation effect, guarantees the smooth drilling operation and has a good application prospect.

The invention relates to a derrick installation construction method, which is suitable for a shallow well drilling machine and a workover rig with relatively high moving frequency, in particular to equipment adopting a sleeved derrick, and can remarkably improve the disassembly and assembly efficiency, reduce the hoisting cost and reduce the transport vehicle times. A well drilling winch lifts a derrick bottom section and a derrick top section through a propeller strut, and other sections of the derrick are lifted through the well drilling winch; the method has the following advantages that only one small-tonnage hoisting device is needed for hoisting, and the hoisting cost is low; the crown block, the traveling block, the drilling steel wire rope and the derrick top section are integrally mounted and transported, and the dismounting and mounting efficiency is high; the derrick bottom section and the derrick top section are horizontally hoisted, no overturning operation is needed, and safety is high.

A winding device and method for initial steel wire rope winding on a drawworks, and a drilling rig. The winding device comprises: a telescopic slip (2), wherein a channel for accommodating a steel wire rope (7) and allowing same to pass through is formed in the slip (2); a slip holder (1) partially sleeved on the outer side of the slip (2); a pressing plate (3) defining an accommodating space with the slip holder (1), wherein the slip (2) is mounted in the accommodating space, and the pressing plate (3) can apply a radial pressure to the slip (2); a traction device, wherein the traction device is connected to the slip holder (1) and can provide a traction force away from a drawworks (12) to the slip holder (1); clamping sleeves (4) at least partially surrounding the slip holder (1) and the pressing plate (3); a wear-proof sleeve (6) arranged on the inner surface of the slip (2) and having the inner wall provided with lines that slot into the outer peripheral surface of the steel wire rope (7); and tightening bolts (5) in threaded connection with threaded holes in the sides of the clamping sleeves (4) close to the pressing plate (3). By means of the technical solution, the slip (2) is surrounded by the pressing plate (3) and the slip holder (1), and the pressing plate (3) applies a radial pressure to the slip (2), so that the slip (2) presses against the steel wire rope (7).

According to the traveling block type drill string compensator compensation function test device disclosed by the invention, a petroleum drilling machine in a factory is used as a drill string compensator compensation function test platform, and a drill string compensator is connected with a petroleum drilling machine traveling hoisting system; the invention further discloses a method for testing the compensation function of the traveling block type drill string compensator, a tester controls a drilling winch to lift and lower the drill string compensator in a driller control room, and the motion law of the drill string compensator can be programmed and controlled by simulating the heaving motion of a practical operation sea area platform of the drill string compensator through a drilling machine electric control system. Wave compensation of a drill string is achieved through stretching and retracting of a piston rod of a compensation cylinder of the drill string compensator, a large hook is in a relatively static state relative to the well bottom in the vertical direction within an allowable range, the situation that a well drilling system ascends and descends along with a floating platform is avoided, and therefore the compensation function of the drill string compensator is effectively verified.

The invention discloses an automatic treatment system for a pipe column of a three-joint unit parallel high-position connecting and throwing three-joint unit drilling machine. The system comprises a power catwalk arranged right in front of a drilling machine base, a derrick is arranged on a drilling platform, a top drive is installed on the derrick, and a drilling platform manipulator is installed on the drilling platform; a racking platform is arranged on the derrick, the front end of the racking platform is of an opening structure, and a racking platform mechanical arm is installed on the racking platform. A drill floor winch is arranged on the drill floor face of the drilling machine and connected with the three-joint unit through a steel wire rope. The invention further discloses an automatic treatment method for the pipe column of the stand parallel high-position connecting and throwing stand drilling machine, stand connecting and stand discharging from a well mouth to a racking platform finger board area can be achieved, and drilling throwing from the stand within the well mouth range or from a single stand to a catwalk can be achieved; in addition, in the drilling process of the drilling machine, drilling and off-line receiving of a three-joint unit array sent from a catwalk ramp or three-joint unit throwing operation directly from a racking platform to the ramp can be achieved at the same time. According to the two-way three-joint operation mode, the working efficiency of the petroleum drilling machine is effectively improved.

A system includes a rig control system for controlling rig equipment operable to perform drilling operations to drill a wellbore at a wellsite, wherein the rig equipment includes a drawworks for raising or lowering a drill string, a pressure control system for controlling a pressure control manifold fluidly connected with the wellbore, and a blowout preventer (BOP) control system for controlling BOP equipment. The BOP control system is communicatively connected with the rig control system and the pressure control system, receives rig data, pressure data, and flow rate data from sensors included in the rig control system and the pressure control system, displays information indicative of an influx of formation fluid based at least one of the pressure data and the flow rate data, and causes the BOP equipment to close about the drill string.

This invention relates to a derrick installation method, which is suitable for drilling rigs and workover rigs in shallow and medium-depth wells that require frequent relocation, especially for equipment using modular derricks. This method significantly improves installation and dismantling efficiency, reduces hoisting costs, and minimizes transport trips. The invention employs a drilling winch to lift the bottom and top sections of the derrick via an A-frame, while the remaining sections are also lifted using the drilling winch. The invention offers the following advantages: only a small-tonnage hoisting device is needed for hoisting, resulting in lower hoisting costs; the overhead crane, traveling block, drilling wire rope, and top section of the derrick are installed and transported as a single unit, leading to high installation and dismantling efficiency; and the bottom and top sections of the derrick are hoisted horizontally, eliminating the need for tipping and ensuring high safety.

The invention relates to the technical field of petroleum drilling machine winch maintenance, in particular to a drilling machine winch steel wire rope arranging method which comprises the following steps that firstly, impurities on the surface of a winch rope barrel are cleaned up; during operation, the first end of the new steel wire rope is wound on the outer side of the winch rope barrel by a circle and then fixed to the outer side of the winch rope barrel, then the tensioner and the hoisting assembly are installed, and after the hoisting equipment hoists the new steel wire rope through the hoisting assembly and the tensioner, the clamping force of the tensioner on the new steel wire rope is adjusted to an initial set value; in this way, after the winch rope barrel is started, the clamping force between the inner wall of the tensioner and the new steel wire rope is adjusted according to the swing amplitude and the swing direction of the tensioner, so that the clamping force between the inner wall of the tensioner and the new steel wire rope ensures that the new steel wire rope is in a tensioned state in the winding process. Therefore, the new steel wire rope is neatly, tightly and quickly wound on the outer side of the winch rope barrel, operation cost is reduced, and operation safety is guaranteed.

The utility model provides a low-gravity-center automatic off-line drilling machine which solves the problem that the overall gravity center of equipment is moved upwards and the overall stability of a derrick is affected due to the fact that core equipment for hoisting a drilling rod is integrated on the top of the derrick. According to the lifting system, the winch and the driving device in the lifting system are arranged at the bottom of the derrick, so that the weight of the top end of the derrick can be reduced, the gravity center of the derrick can be lowered, the overall stability of the derrick can be improved, and the risk that the derrick inclines or even overturns can be reduced; and the sling can upwards bypass the first pulley and downwards connect with the crown block to lift the crown block.

A dual line drawworks system and methods of using the same. A drilling rig may include two drawworks, each attached to a drilling line that extends through a series of sheaves located on the crown block and a traveling block. One end of the drilling line may be attached to an anchor. The traveling blocks may comprise a series of split blocks which may be separately movable from one another and may be removably attached to an underside of the crown block. The two drawworks may be coupled to one another and to one or more control systems, which may include one or more variable frequency drives, and the two drawworks may be configured to operate at the same speed. Systems may be used to monitor the distance between the traveling blocks and detect and correct for any excess distances therebetween.

The present application discloses an intelligent safety control device and method for a drilling system, which relates to the field of control; the device includes a signal acquisition unit, a processing unit, and an alarm unit; the signal acquisition unit includes an encoder, a hydraulic sensor, and a position switch; the encoder acquires the mechanical displacement parameters of the drawworks drum shaft; the hydraulic sensor acquires the pressure parameters of the hydraulic oil pipeline, and the position switch detects the position of the plugging assembly; the processing unit is used to determine the locking state of the blowout preventer based on analog signals and digital signals, and to perform an anti-lifting operation when the blowout preventer is locked. The intelligent safety control device and method for a drilling system provided in the embodiment of the present application can improve the alarm and braking accuracy during the traveling block control process by knowing the traveling block height and using two signals to know the closing state of the blowout preventer, effectively avoid collision accidents, and ensure equipment safety, thereby improving the accuracy, reliability, and safety of the traveling block control system.

The embodiment of the invention provides a control method and device for drilling well control, electronic equipment, a medium and a product. The method is applied to a control system for well drilling control. The system comprises control software, a logic circuit control cabinet, a drilling machine system, a blowout preventer automatic control cabinet and a throttling automatic control cabinet. The drilling rig system includes a plurality of drilling rig devices including a winch, a top drive, and a slurry pump. The control software obtains real-time monitoring data, controls the cabinet to send out various control signals through the logic circuit, controls various devices, checks the states of the devices, and completes well shut-in and well killing operations in sequence. Coordinated control of field engineers is not needed, the manual misoperation risk and operation time are greatly reduced, and the real-time performance and accuracy of well control operation are guaranteed.

A method can include receiving channels of data during a controlled drilling operation performed by a drilling controller and an instrumented rig that includes a drawworks operable to control position of a drillstring that includes a drill bit; responsive to a change in a value in one of the channels of data, computing a maximum rate of penetration (ROP) reference value based at least in part on a portion of the data; generating a drawworks control command based at least in part on the maximum rate of penetration reference value; and issuing the drawworks control command to the drawworks for control of the position of the drillstring with respect to time.

The invention relates to an integral mounting method of a derrick, which comprises the following steps of: lifting by adopting a segmented lifting mode, and firstly, integrally hoisting a derrick base to a drill floor; then the mounted derrick section IV and the crown block are integrally hoisted into a guide rail in a derrick base, and a lock pin device is locked; then the unfolded derrick section is hung on a hook of a front leg of the derrick section IV according to the section III, the derrick is straightened through a puffer on a drill floor face, and a pin shaft penetrates through the derrick; a movable pulley below the lifting pulley is hung on a hanging point below the derrick section III, and the lifting puffer is operated to lift the derrick; lifting the section I and the section II according to a section III mode; and finally, accessories such as a racking platform are installed, and lifting is completed. The derrick base section is provided with a special mounting platform to ensure quick mounting, and each section of the derrick is provided with an auxiliary unfolding device to ensure quick and safe unfolding of each section; the front legs adopt hooks to assist in mounting, and rapid butt joint of derrick thighs is reduced; a lifting point is arranged on the gravity center of the derrick section, so that stable lifting of the derrick is guaranteed.

The invention discloses an intelligent safety control device and method for a well drilling system, and relates to the field of control. The device comprises a signal acquisition unit, a processing unit and a warning unit, the signal acquisition unit comprises an encoder, a hydraulic sensor and a position switch; the encoder collects mechanical displacement parameters of the winch drum shaft; the hydraulic sensor collects pressure parameters of the hydraulic oil pipeline, and the position switch detects the in-place state of the plugging assembly. And the processing unit is used for judging the locking state of the blowout preventer based on the analog quantity signal and the digital quantity signal, and executing lifting and breaking prevention operation when the blowout preventer is locked. According to the intelligent safety control device and method of the drilling system, the height of the traveling block is obtained, the closed state of the blowout preventer is obtained through the two paths of signals, the warning and braking precision in the traveling block control process can be improved, collision accidents are effectively avoided, equipment safety is guaranteed, and the safety of the drilling system is improved. Therefore, the accuracy, the reliability and the safety of the traveling block control system are improved.

The invention relates to a seabed rock core drilling sampling device, and belongs to the technical field of ocean coring, the seabed rock core drilling sampling device comprises a winch erected on a sampling ship, a belt cable, a seabed drilling machine and a buckling cover, the belt cable is wound on the winch, the seabed drilling machine is fixed at the end part of the belt cable, and the buckling cover is arranged at the bottom of the seabed drilling machine; the buckling cover is in a bowl shape and faces the seabed, an extension section is arranged at the end of the buckling cover, the section side of the buckling cover is triangular, and the extension section is used for penetrating into a silt layer and a silt layer to be close to the surface of a rock layer. A stirring part and a sludge discharging part are arranged in the buckling cover, the stirring part is used for stirring silt and sludge after the buckling cover goes deep into the silt layer and the sludge layer, and the discharging part is used for discharging seawater and silt in the buckling cover; after the buckling cover is buckled on the rock layer, a drill bit of the seabed drilling machine enters the buckling cover and abuts against the surface of the rock layer to conduct drilling sampling operation. The method has the advantage that the deep sea rock core sampling depth can conveniently reach a design value.