12728results about "Drilling casings" patented technology

Provided is a two-part drilling and running tool, a well system, and a method for forming a well system. The two-part drilling and running tool, in one aspect, includes a conveyance, a smaller assembly coupled to an end of the conveyance, and a larger bit assembly slidably coupled to the conveyance, the smaller assembly and larger bit assembly configured to slidingly engage one another downhole to form a combined bit assembly. The two-part drilling and running tool, according to this aspect, further includes a one way mechanism coupled between the smaller assembly and the larger bit assembly, the one way mechanism configured to allow the smaller assembly and larger bit assembly to axially slide in one direction relative to one another and prevent the smaller assembly and larger bit assembly from axially sliding in an opposite direction relative to one another.

The present invention belongs to the technical field of coal mine drilling rigs, and relates to an intelligent directional coal mine drilling rig and a drilling method thereof. The intelligent directional coal mine drilling rig comprises a moving platform, a frame, a clamping device, a main manipulator, a power head, a drill pipe storage system, a control system and a hydraulic system. The present invention improves the structure of a power head by providing an angle adjuster having accurate angle adjusting and anti-rotation locking functions on the side of a transmission away from a main motor, a driving shaft in the transmission connecting the main motor and the angle adjuster; in addition, the control system comprises a tool face angle measurement and initialization system. Therefore, by means of cooperation between the tool face angle measurement and initialization system and the angle adjuster, the present invention solves the problems that drilling rigs in the prior art lack special tool face angle adjusting devices and thus have low precision and efficiency in trajectory adjustment and have difficulty in achieving automatic directional drilling.

The present invention relates to a coal mine intelligent directional drill and its drilling method, belonging to the technical field of coal mine drills. It comprises a moving platform, machine frame, clamper, main manipulator, power head, drill pipe storage system, control system, and hydraulic system. The power head structure is improved by adding an angle adjuster with accurate angle adjustment, locking, and anti-rotation functions. The angle adjuster is positioned on the gearbox side opposite the main motor, connected via a driving shaft. The control system includes a toolface azimuth detection and initialization system that works with the angle adjuster. This solves prior issues such as the absence of specialized toolface azimuth adjustment devices, low precision, low track adjustment efficiency, and challenges in achieving automatic directional drilling in the prior art. The invention enhances precision and efficiency, enabling automated, intelligent directional drilling.

A downhole large-diameter drilling apparatus, comprising a large-diameter drilling-with-casing drill, a large-diameter drilling-with-casing guide drilling system, a collapse body metal detection and demolition system, and a self-moving multifunctional rescue operation cabin, wherein the large-diameter drilling-with-casing drill is configured to efficiently construct a large-diameter horizontal hole to serve as a rescue passage; the large-diameter drilling-with-casing guide drilling system uses a first-stage hole protection mode, a second-stage hole protection mode or a three-stage hole protection mode on the basis of the length of a collapse body and the stratum; the collapse body metal detection and demolition system can perform fine detection and rapid cutting on metal components in the collapse body; and the self-moving multifunctional rescue operation cabin can be configured to assist in obstacle removal at the bottom of a rescue hole while ensuring safety improvement of personnel in the cabin, thereby improving the construction efficiency of rescue drilling.

This invention relates a drill head (4) for use with a microtunneling apparatus (1) having a cutter bar (12) that is rotatable to produce swarf in a working zone. The drill head (4) includes a movable imaging device (46) that is adapted to capture images in the working zone (13). The imaging device (46) is adapted to move from a position within an annular shell (11) to a position external from the annular shell (11).

The present invention relates to the field of oil production engineering equipment. Disclosed are a waterflooding and well flushing system and an integrated water distributor thereof. The integrated water distributor comprises a main body with a hollow channel, and a setting mechanism slidably sleeved on the main body, wherein the main body is internally provided with a well-flushing fluid channel, a waterflooding valve, and a well flushing and waterflooding control mechanism for controlling the connection state of the well-flushing fluid channel and the open / closed state of the waterflooding valve; the well flushing and waterflooding control mechanism comprises a well flushing and waterflooding shared electrically-controlled transmission shaft and a well-flushing piston; and the waterflooding valve is connected to the well flushing and waterflooding shared electrically-controlled transmission shaft. When the waterflooding valve moves to an open state as the well flushing and waterflooding shared electrically-controlled transmission shaft slides, the hollow channel is in communication with a space outside the main body, and at the same time, the well-flushing piston blocks the well-flushing fluid channel. The integrated water distributor can effectively prevent the well-flushing fluid channel from being accidentally connected due to residual pressure of strata during waterflooding operation.

The present invention belongs to the technical field of anchor protection apparatuses. Provided is an automatic anchor protection platform having combined support of anchor rods and anchor cables. The automatic anchor protection platform comprises a movable chassis, a multi-cycle anchor rod drilling rig, an anchor rod drilling rig posture positioning control device, an anchor cable support device, a temporary support device, an electrical system and a hydraulic system. Said automatic anchor protection platform integrates the multi-circle anchor rod drilling rig, the anchor cable support device and the temporary support device, and therefore meets the anchoring and support requirements of roadways under different geological conditions, allows anchor rod and anchor cable parallel support operations to be conducted at the same time, and achieves efficient coordinating matching linkage integrated design, thus further promoting efficient operation processes in limited spaces such as coal mines and tunnels.

The invention relates to the technical field of drill rod loading and unloading, and discloses a drill rod loading and unloading method for a drilling machine, which comprises a rotary speed reducer, a rotary arm, a turnover device, a clamping device and a drill rod box which are connected in sequence, and further comprises a swing mechanism and a transportation device, the transportation device is arranged at the upper end of the drill rod box, and the swing mechanism is arranged between the turnover device and the clamping device; the rack is provided with a first proximity switch, the rotary arm is provided with a first arc-shaped block and a second arc-shaped block, the support is provided with a second proximity switch and a third proximity switch, the turnover device is provided with a signaling block, and the rotary arm is provided with a receiver. The transporting device is arranged at the upper end of the drill rod box, so that the overall width of the drilling machine is reduced, meanwhile, the swinging device is matched to enable the drill rod clamped by the clamping device to swing into the clamping device above the rack, the moving distance of the drill rod in the axis direction of the rack is reduced, and then the length of the rack is reduced; the drilling machine can work in the environment of a narrow roadway of an underground coal mine, and the applicability of the drilling machine in different environments is improved.

Vibrations in a drill string are damped with a sleeve that circumscribes and is rotatable about a portion of the drill string. Ribs project radially outward from an outer surface of the sleeve and into sidewalls of the wellbore to rotationally couple the sleeve and wellbore. A coupling device restricts free rotation of the sleeve about the drill string, and which is selectively engaged to counteract vibrational forces in the drill string. The coupling device can include a clutch-like device to introduce friction between the drill string and the sleeve, that is powered hydraulically or electrically. Activating the coupling device is based on a timer or in response to vibration sensed in the drill string.

The present application relates to a pile driver and a pile driving method with less wear on drill rods, and relates to the technical field of building construction, and comprises a main frame, a winch is arranged on one side surface of the main frame, a steel cable is wound on the drum of the winch, a top frame is welded on the top of the drill rod bracket, one end of the steel cable extends upward through a pulley and is connected to a drive box through a lifting ring, a motor frame is arranged in the middle of the drive box, a drive motor is connected to the center of the motor frame through bolts, the bottom drive of the drive motor is connected to a reducer, and the bottom output end of the reducer is connected to a buffer mechanism through the drive box, and the buffer mechanism comprises a connecting tube, a rebound tube, a coupling joint, a strip groove, a slider, a damping rod, a support spring and an auxiliary spring; the present application significantly reduces the wear of the drill rod during the construction process by using a high-strength, wear-resistant alloy material to make the drill rod, performing special treatment, and arranging a buffer mechanism and a guide mechanism.

Certain embodiments of the present disclosure include methods, systems, and apparatus for automatically generating a pull test schedule and / or executing one or more pull tests. In certain embodiments, a priori data may be used to automatically generate a pull test plan or schedule. In addition, in certain embodiments, real-time data may be used to automatically and / or manually adjust or fine-tune the pull test schedule. In addition, in certain embodiments, an application may automatically generate a pull test schedule and / or automate one or more pull tests. In addition, in certain embodiments, the application may automatically advise a coiled tubing (CT) operator regarding where and how to pull test in substantially real-time.

The invention discloses a drill rod for construction of an integrated stirring forming type cemented soil stiff anchor rod, the drill rod comprises a drill bit part and a hollow drill rod, the drill bit part comprises a shell, an anchor disc fixed in the shell and a spiral blade welded on the shell, and the hollow drill rod is inserted into the shell; the sheath steel pipe is inserted into the hollow drill rod and fixed to the shell, the grouting pipe is inserted into the sheath steel pipe, one end of the rod body is fixed to the anchor disc, and the other end of the rod body extends out of the sheath steel pipe. A first grouting hole is formed in the shell, and a second grouting hole is formed in the sheath steel pipe. The invention further discloses a construction method of the integrated stirring forming type cemented soil stiff anchor rod. When the method is used, the processes of hole forming, anchoring, grouting and the like are integrally formed, the process is simple, the speed is high, and the quality is easy to control; the formed cement-soil pile body is uniform in internal structure and reliable in strength; tension of the anchor rod is uniformly distributed, so that stress concentration can be reduced; and the formed cement soil pile body is high in end strength and good in safety.

Some implementations include a system having at least one thermally insulated coiled tubing and a bottom hole assembly (BHA) connected to the at least one thermally insulated coiled tubing. The BHA includes at least one capacitor, the at least one capacitor configured to store electrical power. The BHA also includes at least one electrode electrically coupled to the at least one capacitor, the at least one electrode configured to receive the stored electrical power from the at least one capacitor and to periodically emit pulsed power discharges into a subsurface formation.

This invention relates to a reamer assembly (6) for enlarging a substantially horizontal pilot hole (14) in the ground to produce a bore hole (18), including a cutter (21) which is rotatable about an axis X-X. A gear box (20) is positioned on a first side of the cutter (21) for interacting with a drive shaft (33) which is rotated about the axis X-X by a drive apparatus (2) outside the pilot bore hole (14) and a body (15) positioned on a second side of the cutter (21) for transferring thrust from a thrust apparatus (4) outside of the enlarged bore hole (18) to the cutter (21).

An automated directional drilling machine for a coal mine, comprising: a moving platform (1), a rack (2), a clamping device (3), a main mechanical arm (4), a power head (5), a drill rod storage system (8), a control system (6), and a hydraulic system (7). By improving the structure of the power head (5), an angle adjustor (503) is arranged on the side of a transmission (502) away from a main motor (501), and a transmission shaft (50301) in the angle adjustor (503) is circumferentially and fixedly connected to a driving shaft (50201), so that accurate and efficient adjustment of a tool face angle is achieved by means of the angle adjustor (503) having the functions of accurate angle adjustment and locking to prevent rotation, and the structure of a rotation braking device of the main motor (501) is simplified.

The invention discloses a wide and thick steel plate for a 600MPa-grade high-performance marine riser and a production method of the wide and thick steel plate, according to the component design of the wide and thick steel plate, CEIIW is controlled to be 0.35%-0.41%, CEPcm is controlled to be 0.14%-0.18%, and beneficial influences on strengthening, phase change, microstructure, steel plate performance and post-welding performance are achieved; on the basis of component design, production methods of low-temperature heating, rough rolling multi-stage thickness section high-temperature gradient deformation and low-temperature rolling, intermediate temperature-waiting blank rapid cooling after rough rolling is finished, finish rolling low-temperature deformation, multi-stage water cooling and the like are adopted to obtain polygonal ferrite and batten bainite; the steel further comprises a small amount of granular bainite microstructures and dispersed fine precipitates, and the average height of deformed austenite does not exceed 15 microns; the problem of matching of comprehensive technical characteristics such as high strength, high toughness, high fatigue performance, corrosion resistance, strain resistance and good welding performance of the wide and thick steel plate for the high-performance marine oil and gas exploitation vertical pipe is solved.

A pipe handler that can include a wrench assembly with a backup tong and a torque wrench, and a rotary actuator coupled to the torque wrench, wherein rotation of the rotary actuator about a second axis rotates the torque wrench about a first axis. An iron roughneck that can include a torque wrench configured to rotate about a first axis, and a rotary actuator coupled to the torque wrench, the rotary actuator having a second axis about which the rotary actuator rotates, where the second axis and the first axis are substantially parallel with each other and spaced apart from each other, and where rotation of the rotary actuator about the second axis rotates the torque wrench about the first axis.

This invention relates to a drill string (32) for use with micro tunnelling apparatus (1) having a cutter (21) at a distal end of the drill string (32) and external drive mechanism (2) at a proximal end of the drill string (32). The drill string (32) being formed by a plurality of connected string segments (13), each string segment (13) with a drive shaft (33) aligned along the central axis for rotation there about and an elongate casing (34) that houses the drive shaft (33). The front end of one string segment (13) is adapted to connect with the back end of another string segment (13) to form the drill string (32) by way of a latch connection, the latch connection being adjustable so as to vary the tolerance between said front end of one string segment (13) and said back end of another string segment (13) while connected.

Certain embodiments of the present disclosure include a method that includes receiving data relating to a coiled tubing operation in substantially real time during the coiled tubing operation. The method also includes iteratively generating an estimated friction coefficient between coiled tubing and a wellbore within which the coiled tubing is disposed during the coiled tubing operation based at least in part on the data relating to the coiled tubing operation. The method further includes estimating one or more parameters of the coiled tubing operation during the coiled tubing operation based at least in part on the estimated friction coefficient.

A tool housing for use in a wellbore tool string may include a housing body having a first housing region and a second housing region. The tool housing may include a bias member channel provided in the first housing region and extending inward in a radial direction. A bias member may be provided within the bias member channel and engaged with a snap connector. The bias member may bias the snap connector outward in the radial direction. A connector groove may be provided in a hollow interior of the second housing region and extend outward in the radial direction. A first housing region of a second tool housing of a wellbore tool string may be inserted into a hollow interior of a first tool housing. A snap connector of the second tool housing may be coupled with a connector groove of the first tool housing.

The present disclosure provides a drilling tool and a method for full-length insertion of a fracturing casing into an underground directional borehole. The drilling tool comprises a reaming bit, a torque-transmitting casing, a torque-transmitting shaft, and a pilot bit; the reaming bit is provided with a first through hole; the torque-transmitting casing and the reaming bit are coaxially arranged, and the reaming bit is connected to one end of the torque-transmitting casing; the other end of the torque-transmitting casing is provided with a first connecting portion, the inner wall of the torque-transmitting casing is provided with a keyway and a separation guide groove, and the separation guide groove is communicated with the keyway; the torque-transmitting shaft passes through the first through hole and the torque-transmitting casing; the outer wall of the torque-transmitting shaft is provided with a torque-transmitting member, one end of the torque-transmitting shaft is provided with a second connecting portion, the pilot bit is connected to the other end of the torque-transmitting shaft, and the outer diameter of the pilot bit is less than the inner diameters of the first through hole and the torque-transmitting casing. The drilling tool of the present application allows large-bore fracturing casings to be inserted into directional boreholes, reducing the cost of fracturing engineering, and facilitating high-flow and high-pressure hydraulic fracturing operations.

The invention relates to the technical field of mining machinery, in particular to a gold mine mining blasting automatic trepanning device and a trepanning method.The gold mine mining blasting automatic trepanning device comprises a base plate, the base plate is an assembly carrier of the drilling device and can be externally connected with an engineering vehicle or an engineering mechanical arm, a mounting frame is fixedly mounted on the base plate, and the mounting frame is a frame body with an opening in the top; the guide frame is fixedly arranged at the top of the mounting frame, and the guide frame is an annular frame body internally provided with a clamping groove; the gear ring is rotationally mounted in a clamping groove in the guide frame; and the rotating frame is fixedly arranged in the gear ring. By means of the spiral blades on the drill rod, fragments generated in the drilling process are synchronously pushed out, the situation that the fragments are accumulated near the drill bit to affect efficiency is prevented, meanwhile, cooling water is allowed to enter a drilling area through the arrangement of the flow guide through hole and the connecting pipe in the drill bit, the fragments are helped to be flushed out of the hole, and the drilling efficiency is further improved.

Embodiments presented provide for a method for optimizing coiled tubing operations. In embodiments, a pre-job sensitivity analysis is coupled with real-time field measurements to arrive at a decision-making process to enhance the decision making.

The invention belongs to the technical field of coal mine safety, and relates to drilling construction equipment with drilling cooperating with reciprocating impact and a coal seam gas extraction method. The impact fracturing assembly comprises an impact drill bit, a reciprocating impact rod and a rotary transmission rod; the middle of the reciprocating impact rod is slidably sleeved with a first positioning block. The reciprocating impact rod is provided with a straight groove arranged in the axial direction, and the straight groove is matched with a linear protrusion in the first positioning block. A movable block is fixedly arranged at the other end of the reciprocating impact rod, one side of the movable block is attached to the inner wall of a groove in the end drill rod, and the other side of the movable block is attached to an annular double-arrow-shaped groove formed in the rotation transmission rod. The rotation transmission rod is axially limited through a second positioning block arranged on the rotation transmission rod in a sleeving mode. One end of the spiral drill rod is connected with the end drill rod, and a universal coupling is movably arranged in the spiral drill rod; the other end of the rotary transmission rod is connected with one end of a universal coupling, and one end of the universal coupling is detachably connected with a tail connector through the tail end of a spiral drill rod.

The invention discloses a lunar resource in-situ exploration-while-drilling device and method. The lunar resource in-situ exploration-while-drilling device is composed of a spiral drilling tool, an illumination light source module, a polarization spectrum detection module and a dual-channel spectrum measurement module. The drilling tool drill rod is of a hollow structure. Light emitted by the illumination light source module is collimated and depolarized to form unpolarized parallel light to irradiate lunar soil on the side wall of the drill hole, and the polarization spectrum measurement probe collects reflected light of the lunar soil; the reflected light is collimated by a front collimator objective of the probe and then sequentially passes through a spectrum modulation unit consisting of an achromatic 1 / 4 wave plate, a multi-stage wave plate, a beam splitter prism and two polaroids of which the light transmission directions are vertical to each other, and two orthogonal light beams are formed, so that polarization information of the reflected light is modulated in a spectrum dimension; demodulating the modulated spectrum to obtain the spectrum and polarization information of the lunar soil reflected light; and the resource distribution and content and the physical characteristics of the original lunar soil are inversed by using the polarization spectrum characteristics of the lunar soil. According to the invention, in-situ exploration of lunar subsurface depth profile mineral resources can be realized.

The invention relates to the technical field of constructional engineering sampling, in particular to a constructional engineering sampling device which comprises a drilling and sampling mechanism, the drilling and sampling mechanism comprises a sampling barrel used for drilling and sampling and a drilling head used for drilling and sampling, and a mounting head is detachably arranged at the top of the sampling barrel in a threaded mode; the top end of the mounting head is rotationally connected with a lifting plate, the top end of the lifting plate is fixedly connected with a motor used for driving the mounting head to rotate, and the top end of the lifting plate is fixedly connected with an electric hydraulic telescopic rod. The soil hardness is monitored in real time through the hardness detection assembly, when the soil is hardened, the drilling head is extruded to promote the moving block to extrude hydraulic oil into the detection cavity, and the liquid level meter transmits a liquid level signal to the PLC; and when the soil becomes soft, the arc-shaped spring pushes the adjusting block to drive the conducting strip to slide on the resistance plate, and the changed current of the slide rheostat is detected by the PLC.

The invention discloses an automatic drilling control method, system and equipment of a drilling machine and a storage medium, and belongs to the technical field of drilling machine control technologies. The automatic drilling control method of the drilling machine comprises the steps that if a drilling starting instruction is received, a power head is controlled to drive a drill bit to descend so that the drill bit can make contact with the ground; the power head is controlled to execute drilling operation; if the power head reaches the maximum stroke position and the drilling depth is smaller than the target depth, drilling operation is stopped, and the power head is controlled to be separated from the operation drill rod and ascends to the top of the mast; the manipulator is controlled to grab the alternative drill rods from the drill rod warehouse and move the alternative drill rods to preset positions; the power head is controlled to be connected with the tail of the alternative drill rod, and the power head is controlled to drive the alternative drill rod to descend and rotate; and after the head of the alternative drill rod is connected with the tail of the operation drill rod, the power head is continuously controlled to execute the drilling operation. Automatic drilling of the drilling machine can be achieved, and the operation efficiency is improved.

The invention discloses a shield pressure relief drill tool for a protruding coal seam and an out-of-hole closed slag discharge system. The drill tool is composed of a plurality of sieve hole drill rods, a transition drill rod and a plug-in drill bit. The sieve hole drill rod and the transition drill rod are composed of different special-shaped outer tubes, inner tubes and tapered hole strips. The axial space between the outer tube and the inner tube is a flow supply channel of the drill tool. The central hole of the inner tube is an internal slag discharge channel of the drill tool. The slag discharge sieve hole is arranged in an axial groove of the special-shaped outer tube and is connected with the internal slag discharge channel. The tapered hole strip is welded in the axial groove of the special-shaped outer tube and the tapered hole is coaxially aligned with the slag discharge sieve hole. Male buckles and female buckles are arranged at both ends of the sieve hole drill rod. A female buckle connected to the male buckle of the sieve hole drill rod is arranged at one end of the transition drill rod, and a plug-in interface connected to the plug-in drill bit is arranged at the other end of the transition drill rod. The out-of-hole closed slag discharge system comprises a sliding closed tube placed in the inner cavity of the out-of-hole sieve hole drill rod, a sealing hole pipe moving device installed at the hole mouth and a hollow slag discharge water (wind) tail connected to the tail of the drill rod.

A system that includes an anchor that includes a first slot and a second slot, and a latch that includes a first key and a second key, where while the latch undergoes latch translation, the first key and the second key are adapted to translate into the first slot and the second slot, respectively.

Embodiments herein generally relate to a method and system for controlling a multi-stage wireline operation in a well, such as during a plug-and-perf operation. The method can comprise: applying a trained initial stage machine learning model to generate predictions for optimized wireline parameters, for a first stage of the wireline operation; operating a wireline control system, to complete the first stage, in accordance with the optimized wireline parameters; applying a trained later stages machine learning model to generate predictions for optimized wireline parameters for each subsequent stage of the wireline operation; and operating the wireline control system, to complete each subsequent stage, in accordance with the optimized wireline parameters generated for that stage by the trained later stages model.