141 results about "Wireline" patented technology

Aspects of the subject disclosure may include, for example, determining whether a bandwidth deficit exists in association with communications of a device, resulting in a first determination; responsive to the first determination being that the bandwidth deficit exists, communicating with a server to determine whether the device can participate in a link aggregation group (LAG), resulting in a second determination, wherein the communicating with the server comprises sending to the server a unique identifier, and wherein the second determination is based at least in part upon the unique identifier; responsive to the second determination being that the device can participate in the LAG, identifying a source of available bandwidth; and using the unique identifier to track bandwidth provided to the device via the source of available bandwidth. Other embodiments are disclosed.

A casing test plug to be set and released by a wireline setting tool within a receptacle of a well. The plug includes a plug body having an exterior surface; a bore extending at least partially into the plug body; and a burst disk secured within the bore. The plug body is to be retained to the wireline setting tool via a wireline setting tool adapter, the adapter to releasably attach to the plug body within the bore. The plug body is to be released from the wireline setting tool and adapter upon application of a separation force between the adapter and the plug body. The plug is prevented from passing fully through the receptacle and seals within the receptacle without utilizing any articulating sealing or locking components; and after the plug is sealed within the receptacle, the burst disk is to withstand pressure up for testing casing integrity.

The utility model discloses a kind of self-adapting casing protecting wire dismounting tool, it is related to petroleum drilling technical field, including: for the inner periphery of protecting wire abutment arc-shaped support seat, the inner surface of arc-shaped support seat is equipped with buffer layer;For the outer periphery of protecting wire abutment jaw plate, jaw plate is equipped in the end of rotating handle, rotating handle and arc-shaped support seat are hinged by pin shaft, to adjust the distance between jaw plate and arc-shaped support seat by rotating rotating handle, satisfy the dismounting requirement of different size protecting wire.Arc-shaped support seat's inner surface is equipped with buffer layer, buffer layer can prevent the thread damage of protecting wire inner periphery, and protecting wire stress is relatively uniform during dismounting process, not easy to produce local deformation, significantly reduce protecting wire dismounting damage rate, and improve protecting wire dismounting efficiency;Rotating handle and arc-shaped support seat are hinged, the distance between jaw plate and arc-shaped support seat is adjustable, it is favorable to satisfy the dismounting requirement of different size protecting wire, and strong adaptability.

Provided are a wired transmission time division duplex system and a node device thereof. The node device comprises a receiver configured to receive a data frame; a transmitter configured to send a processed data frame; a frame header detection circuit configured to identify a frame header and a preamble in a non-return-to-zero coding format from the data frame based on a specific code sequence, and obtain frame header information accordingly, and detect a level jump edge in the frame header and the preamble, and output a reference clock signal based on the detection result; and a clock and data recovery circuit configured to map a multi-level digital signal of a data segment after the frame header and the preamble into binary data bits using a corresponding pulse amplitude modulation format based on the frame header information, and recover a local receiving clock based on the reference clock signal. The slave node device effectively overcomes the synchronization difficulty and slow clock recovery in a multi-level pulse amplitude modulation system.

Disclosed embodiments relate to systems for providing well intervention for a subsea wellhead. For example, the system can comprise a tool insertion system and a subsea work chamber, with the tool insertion system operatively coupled to the subsea work chamber and to the wellhead. In embodiments, both the work chamber and the tool insertion system can be disposed subsea, for example in proximity to the wellhead. In some embodiments, the work chamber may be maintained at atmospheric pressure. In some embodiments, the tool insertion system can have a retracted position which provides access to a wireline within the work chamber, and an extended position which isolates the work chamber from the tool insertion system, the distal end of the wireline, an isolation valve, and / or the wellhead.

The present disclosure generally relates to message processing in communication systems, more particularly to systems and methods for mapping Session Initiation Protocol (SIP) response with appropriate cause code. BTAS receives SIP response, and determines reason for error in call, and cause code for error. BTAS maps SIP and appropriate cause code. BTAS provides, in SIP response, appropriate reason for call failure or call error. Call is sent to E-SBC, routed from E-SBC to P-CSCF, and routed from P-CSCF to S-CSCF. A query is sent from S-CSCF to DNC server regarding DNC registration of B number. DNC server answers, if B number is registered / Non-registered for DNC. Call is forwarded to BTAS, and query is sent from BTAS to MNP. BTAS routes call to S-CSCF. Wireline calls to terminating BTAS, in which VOLTE calls to TAS, and offnet calls to MGCF via BGCF. Offnet calls is sent from BGCF to MGCF.

A method for wireline data transmission includes (1) at a parent network node, generating first communication signals within a first frequency range, the first communication signals complying with a wireless data transmission protocol, (2) shifting frequency of the first communication signals from being within the first frequency range to being within a second frequency range, and (3) after shifting frequency of the first communication signals, sending the first communication signals from the parent network node to a first child network node via a first wireline communication link communicatively coupling the parent network node and the first child network node.

Aspects of the subject disclosure may include, for example, receiving a service request relating to a UE, based on the receiving, obtaining, from an AIC, information regarding access physical resources that are available in access network(s), wherein the access physical resources include wireline resources and wireless resources, wherein the access physical resources are disaggregated into a plurality of modular units, wherein an access resource abstraction layer abstracts the access physical resources such that the plurality of modular units are identified by respective universal physical resource ports and are associated with respective physical resource data, and wherein the information includes selected ones of the respective universal physical resource ports, and utilizing the information to compose a service chain for the service request by virtually coupling the modular units of the plurality of modular units that correspond to the selected ones of the respective universal physical resource ports. Other embodiments are disclosed.

This invention relates to an automatic alarm structure for a wireline coring tool when it is deployed and its usage method. The structure includes an outer drill pipe, coiled tubing, a center rod, and an automatic alarm device. The automatic alarm device includes a slider, a spring catch, a radial spring, and a switch button. The coiled tubing is connected to the center rod via the slider, which slides against the inner wall of the outer drill pipe. The spring catch is installed in a radial groove on the outer wall of the slider, and the radial spring is installed between the spring catch and the slider. The switch button is radially mounted on the spring catch. The inner wall of the outer drill pipe has an annular spring catch groove that matches the spring catch. When the spring catch moves with the slider to the annular spring catch groove, its outer end is radially ejected into the groove under the action of the radial spring. The switch button moves radially synchronously with the spring catch, thus pressing the switch button. This invention helps ground personnel effectively and accurately determine whether the coring tool has been deployed to the target position, thereby guiding drilling and coring operations, ensuring effective core extraction, and improving operational efficiency.

A pumpable, pressure test plug is provided that has radial fins. The radial fins, which extend from the test plug, allow the plug to be pumped down a subterranean tubular string using a pumping fluid to move the test plug. The test plug is released from a wireline assembly prior to pumping the test plug down the tubular string. A seat is defined downhole in the tubular string to cooperate with a head of the test plug, which seals against the seat positioned in the tubular string.

The application discloses a kind of optical fiber multi-parameter logging devices, it is related to marine engineering equipment technical field, cable winch, logging cable, guide wheel and logging unit for downhole optical scanning and parameter measurement;Cable winch is used to wind and release logging cable;One end of the logging cable is connected to the cable winch, and the other end is guided by the guide wheel and connected to the logging unit;The logging unit is provided with a gasbag one sealed on the outside of the borescope and a gasbag two for fixing the detection position, which can isolate drilling fluid by inflating to achieve accurate detection and fixation of the detection position and maintain pressure balance;It can realize the technical effects of improving the stability of fixation, improving environmental adaptability, reducing signal interference and flexibly maintaining the pressure balance in the well.

A logging system for a subsurface operation includes: a probe positioned within a wellbore extending through a target formation, the probe generating pressure pulses that propagate within a target formation proximate to the wellbore; and a wireline extending along at least a portion of the wellbore. The wireline detects the pressure pulses and generates an electrical signal indicative of an effective flowing thickness of the target formation.

A method for creating and transmitting an encoded data stream comprises receiving a data stream that includes a number M of same-rate data streams x1, x2, . . . , xM, where each data stream in the M same-rate data streams has an ordered number of bits with each bit having a period of Tsym and a clock pulse signal that includes a plurality of pulses where a time duration of each pulse in the plurality of pulses corresponds to Tsym / M. A number M of pulse signals is generated, and an encoded data stream is created by multiplying a value of one bit of each data stream in the ordered number M of data streams by a value of a corresponding of a pulse signal in the ordered number M of orthogonal pulse signals to provide M results, and summing the M results. Once summed, the encoded data stream can be transmitted.

A system for performing a mechanical operation on a wireline is described including: a motor; a gear train coupled to the motor, the gear train including a first and a second rotational output, the first and second rotational outputs having different rotational speeds relative to each other; a fluid pump coupled to both the first and second rotational outputs, the fluid pump including: a pump housing coupled to the first rotational output, and a pump input coupled to the second rotational output; and a milling bailer coupled to the housing of the fluid pump and configured to rotate with the fluid pump housing, the milling bailer including: a bailer portion shaped to intake fluid and allow the fluid to flow through a filter and the fluid pump; and a milling face including a bit and configured to perform a milling operation while fluid is flowing through the bailer portion.

A wireline traversal device may include an outer housing having a longitudinal slot, and an inner housing rotatably disposed within the outer housing. The inner housing includes a helical slot, a forward end of which is aligned with the longitudinal slot in the outer housing when the inner housing is in a home position. A forward end cap having a longitudinal slot and an inclined engagement surface is attached to a forward end of the outer housing. The longitudinal slot on the outer housing is aligned with the longitudinal slot on the forward end cap. The wireline traversal device may be used in a variety of applications in connection with a wireline, such as a zip line or safety line. Capability to steer the device at a fork or branch in a wireline is also disclosed.

The invention provides a slurry driving device, a wire-line coring method and a drilling tool lowering method.The slurry driving device comprises a wire-line coring straight pipe, a slurry conveying pipe and a well drilling blowout preventer, the bottom end of the wire-line coring straight pipe is used for being fixedly connected and communicated with the top end of a main shaft of a top driving device, and the bottom end of the wire-line coring straight pipe is used for being fixedly connected and communicated with the top end of the main shaft; the slurry conveying pipe is fixedly connected and communicated with the side wall of the rope coring straight pipe; the well drilling blowout preventer is arranged at a well mouth, and a grouting opening capable of being opened or closed is formed in the bottom end of the well drilling blowout preventer. In the fishing process of the coring drilling tool, the drilling blowout preventer is closed to seal the annular gap between the drilling rod and the inner wall of the in-well sleeve, the grouting opening is opened, slurry is injected into the annular gap between the drilling rod on the bottom side of the sealed position of the drilling blowout preventer and the inner wall of the in-well sleeve, and after the slurry reaches the well bottom, the drilling tool is pushed to move upwards through an inner cavity of the drilling rod. In this way, the situation that the steel wire rope is twisted or rotated is reduced, the ascending resistance of the drilling tool is reduced, the ascending speed of the drilling tool is increased, and the drilling efficiency is improved.

Disclosed herein are systems and methods for automating a start of a pump-down operations that adjusts a pump rate and a winch speed. The methods include lowering a tool string into a wellbore via a wireline controlled by a winch unit and a pump unit, measuring at least one measurement parameter, calculating a range of wireline tension references for the winch unit from at least inputs comprising at least one user configuration parameter and the at least one measurement parameters, and a range of wireline tension references for the pump unit from at least inputs comprising at least one user configuration parameter and the at least one measurement parameters, generating a tension error signal when the measured tension of the wireline deviates from at least one of the calculated ranges of wireline tension references, and adjusting the lowering of the downhole tool string in response to the tension error signal.

A wireline recovery tool for retrieving a wireline from a wellbore includes an outer sheath and a rotatable spear positioned within the outer sheath. The rotatable spear includes a plurality of angled portions and a plurality of vertical portions such that the rotatable spear has an asymmetrical profile. The outer sheath includes a first and second wall, each of which includes an inner surface and an outer surface. A plurality of angled prongs extend from the inner surfaces of the first and second walls. A torque device including an indexing mechanism and ratcheting mechanism rotates the rotational spear positioned within the outer sheath. As the rotatable spears rotates, the wireline being retrieved from the wellbore becomes increasingly entangled with the rotatable spear and outer sheath, such that the wireline can be removed from the wellbore.

The application discloses a kind of optical fiber logging cable sealing bin, solve the existing optical fiber end in downhole sealing problem.Technical scheme includes optical fiber cable and cylinder, the optical fiber cable is by the optical fiber part in optical fiber protection pipe and the cable armoring steel wire part outside optical fiber protection pipe, the cylinder front section is equipped with cable locking structure, rear section is equipped with sealing bin;The optical fiber protection pipe end equipped with optical fiber part passes through the cylinder front end, cable locking structure stretches into sealing bin, wherein, the optical fiber part in the optical fiber protection pipe is placed in sealing bin;Cable armoring steel wire part is fixedly connected with the cable locking structure.The application structure is simple, easy to install, while meeting the sealing and connectivity requirements of optical signal optical fiber of optical fiber cable.

The invention provides a cable-free hole-forming and groove-forming detection device and method integrated with a depth counter. The device comprises a winch (1), an orifice frame (2), a display terminal (3), a steel wire rope (4) and a probe (5), a waterproof depth counter (52) is integrated at the top of the probe (5), real-time depth data are directly obtained through mechanical linkage of a roller and a steel wire rope (4), ultrasonic transducers (54 and 55) collect hole wall reflection signals, and a data processing module associates the depth and the signals and stores the depth and the signals in the probe; after detection is completed, the detection result is transmitted to the display terminal (3) in a wireless / wired manner for imaging. According to the invention, the problems of high cable failure rate and heavy equipment of a traditional cable device and increased system complexity and tedious detection process caused by dependence of cable-free devices and methods in some schemes on time synchronization are solved, and the method has the advantages of light equipment, high integration level, high depth measurement precision (+ / -1mm), low equipment failure rate, simple and convenient operation and the like; the device is suitable for detection of hole forming and groove forming of various projects.

A wellbore caliper tool is provided for measuring a wellbore diameter without an additional wireline trip. The caliper tool includes a collar, measurement bands coupled to the collar at one end and sliding blocks on the other. The measurement bands can extend radially from the collar, which causes the sliding blocks to move within the collar. Electromagnetic sensors in the collar measure an electromagnetic field created by magnets in the sliding blocks to determine the position of the sliding blocks. The position of the sliding blocks is used to calculate the distance that the measurement bands extend and to calculate the wellbore diameter. The caliper tool includes an actuating mechanism that holds the sliding blocks in place until a differential pressure is applied by pumping fluid into the caliper tool.

A method of the invention prepares a hydrocarbon-bearing formation for stimulation. A bottom hole assembly comprising a plug and a perforation tool connected to a wireline is lowered into a wellbore having a casing. An acidic composition is injected into the wellbore; wherein a spacer separates the acidic composition from said bottom hole assembly, but the acidic composition is in direct contact with both the wireline and casing. The spacer may be existing water in the wellbore or water injected into the wellbore. The plug is positioned downhole beyond a location where a first perforation area is to be made in the casing. The perforation tool is activated creating the first perforation area. The acid then contacts the first perforation area and cementitious debris generated from the casing being perforated. The perforation tool is next moved up-hole to a second location and the casing is again perforated to create a second perforation area. The acid also contacts the second perforated area and cementitious debris generated from the perforated casing. The perforation tool is lastly removed from the wellbore.

The invention provides a method for improving a cable formation testing process. The method for improving the cable formation testing process comprises the following steps that an oil reservoir numerical model is constructed; based on the reservoir numerical model, the influence of different suction speeds on the pressure recovery rate is simulated; and comparing the pressure recovery values and the pressure recovery stability at different pressure recovery moments to obtain an optimized cable formation testing process. According to the technical scheme, the testing process is improved, the data quality is improved, and the testing time is shortened, so that the clamping risk is reduced, and the drilling time cost is saved.

The embodiment of the invention provides a maximum wellhead tension determination method and device, a processor and a storage medium, and relates to the technical field of logging, the method comprises the following steps: determining a target well depth position sequence corresponding to a cable according to the current position of a sticking point when the logging operation is stuck; wherein the target well depth position sequence comprises a plurality of target well depth positions; based on the axial force of the sticking point at the current position, wellhead tension at each target well depth position is determined; and determining the maximum wellhead tension according to the wellhead tension of each target well depth position. According to the method and the device, the wellhead tension at each target well depth position is determined through iterative calculation based on the stress analysis of the logging cable, so that the maximum wellhead tension is determined, the maximum wellhead tension can be determined efficiently and precisely without manual intervention, and the accuracy of the maximum wellhead tension is improved. The problems that the maximum wellhead tension can be roughly estimated only by professional technicians when the well logging operation is stuck, and meanwhile operation is tedious, the speed is low and precision is low are solved.

The invention discloses an optical fiber multi-parameter logging device, and relates to the technical field of ocean engineering equipment. The optical fiber multi-parameter logging device comprises a cable winch, a logging cable, a guide wheel and a logging unit used for underground optical scanning and parameter measurement. The cable winch is used for winding and releasing a logging cable; one end of the logging cable is connected with the cable winch, and the other end of the logging cable is guided and connected to the logging unit through the guide wheel; the well logging unit is provided with a first air bag wrapping the outer side of the pipeline endoscope in a sealed mode and a second air bag used for fixing a detection position, and drilling fluid is isolated through inflation expansion so that accurate detection and fixing of the detection position can be conducted, and pressure balance can be maintained. The technical effects that the fixing stability is improved, the environmental adaptability is improved, signal interference is reduced, and pressure balance in a well is flexibly maintained can be achieved.

Aspects of the subject technology relate to autonomously controlling a wireline system. Wireline information associated with operation of a wireline system can be accessed. The wireline system can include a wireline tool operating in relation to a wellbore at a wellsite. Operation of the wireline system can be autonomously controlled at the wellsite based on the wireline information.