| Document |
Document Title |
|
JPH04350287A |
PURPOSE: To immediately pull up and recover a drilling rod which is broken in a drilled hole, eliminate the trouble of the longitudinal rupture of a belt for transporting rocks and stones due to the mixing of the broken rod into the rock...
|
|
JPH0459436B2 |
|
|
JPH03115195U |
|
|
JPH0355388A |
PURPOSE: To recover an implement on a hole lower part by comprising a head capable of screwing, a main body radially extended to be communicated with a pressure pipe, a block comprising a rotatable sleeve to the main body and an air inta...
|
|
JPH02285194A |
PURPOSE: To protect a riser hole by operating a hook ring held on an outer sleeve with an upper split ring lowering together with a casing and disposing it so as to engage with a corresponding form part on a wear bushing. CONSTITUTION: A...
|
|
JPH0252754B2 |
A method and means for pulling a sucker rod string from a well is disclosed. A separable connector is provided in the sucker rod string above the pump body. The connector comprises a male and a female section having aligned openings and ...
|
|
JPH02197692A |
PURPOSE: To remarkably improve the safety, and to lower the cost while preventing the waste of time by maintaining the non-explosion condition till a power unit is made fale and a conductive contact is generated, and sealing a contact of...
|
|
JPH0133630B2 |
A double acting hydraulic drilling mechanism, i.e. drilling jar, is disclosed for use in a tubular drilling string for applying upward or downward jarring forces for dislodging a "fish" from a well. The jar is adapted to be run into a we...
|
|
JPS6362356B2 |
|
|
JPS63272887A |
Disclosed are an improved repair connector 12 for a subsea tubular member 10 and the method of making such repair. The improved repair connector includes an annular housing 18 and an annular guide 16, the annular housing having internal ...
|
|
JPS63181885A |
An apparatus for use in energy exploration is disclosed which is used where a radially expanding device is required, for example in a stabiliser, retriever or an underreamer. The apparatus comprises a support tubular member (1) for conne...
|
|
JPS6327515B2 |
|
|
JPS6314159B2 |
|
|
JPS635551B2 |
A locking device for a tool with telescopically displaceable parts such as the various tools including a drilling jar used in the deep-well drilling art comprises thickened spindle portion (1) and a sleeve portion (2) with a displaceable...
|
|
JPS6262237B2 |
A wash over type down hole retrieving device or fishing tool is described, consisting of a hollow cylindrical body having an open lower end. The body has concentric inner and outer walls, defining an annular space in which an annular pis...
|
|
JPS612153B2 |
|
|
JPS6035674Y2 |
|
|
JPS6022160B2 |
A remotely operated connector for electrically and mechanically coupling a wireline to a connector located at the bottom of a drill string. The connector includes a spring-actuated jar that facilitates the release of the connector.
|
|
JPS59226764A |
A high-pressure sealing means for two parts of deep-well drilling tools which are longitudinally movable in relation to one another consists of a wearing sealing ring (7) which is disposed in an annular groove in a first part (1) and bea...
|
|
JPS59224796A |
A sub (22) adapted for connection in a drill string between a first stabilizer (14) and a second stabilizer (16), which sub comprises an outer member (24) and an inner member (26) in telescoping relationship, an annular space (48) being ...
|
|
JPS5918892A |
Disclosed is a jar accelerator 11. The accelerator 11 includes an elongated tubular tool body (12) and an elongated mandrel (13) axially slidingly mounted within the tool body (12) and having an outwardly facing shoulder (18). A pluralit...
|
|
JPS58128178A |
An improved swabbing cup construction for use on the mandrel of a swabbing tool for clearing liquids and particulate matter, and initiating the flow of oil, from an oil well pipe. The improved cup construction is manually adjustable on t...
|
|
JPS5898592A |
An attachment for a percussive rock drilling machine (12) of the kind being displaceable along a feed beam (14) by a feeding motor. The attachment (15) is arranged for enabling withdrawal of drill steels (16) which are stuck in the drill...
|
|
JPS5883784A |
Adjustable torsional type latching means (5) for triggering a mechanical well jar tool comprises torsionally actuated gear racks (20,22) including acme threads or teeth which extend axially on opposite adjacent side portions of telescopi...
|
|
JPS5837289A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
|
|
JPS5824085A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
|
|
JPS5750397Y2 |
|
|
JPS57501683A |
A well jar having an elongated body with an axial passageway and threaded connections for assembly into a string of well pipe. The body has a tubular mandrel slideably mounted within a tubular barrel with the annulus therebetween exposed...
|
|
JPS57137595A |
|
|
JPS5796190A |
A fishing tool to snag and to retrieve cables from wells. The tool includes an elongated body which has two ends, a substantial length, and peripheral boundary of lesser lateral dimensions than a well down which the tool is to be sent wi...
|
|
JPS5651275B2 |
In the representative manner of practicing the new and improved method disclosed herein, a so-called "stuck-point indicator" or "freepoint-indicator" tool including a unique deformation-responsive sensor tandemly arranged between unique ...
|
|
JPS5651276B2 |
In the representative manner of practicing the new and improved method disclosed herein, a so-called "stuck-point indicator" or "freepoint-indicator" tool including a unique deformation-responsive sensor tandemly arranged between unique ...
|
|
JPS56131792A |
A downhole fishing jar mechanism for freeing stuck objects within a well bore which incorporates a housing structure defining an internal anvil element through which an upwardly-directly impact force is adapted to be transmitted to the b...
|
|
JPS5640951Y2 |
|
|
JPS56119093A |
Apparatus for severing a conduit along a plane extending transversely through the conduit which includes an elongated housing forming a pair of longitudinally spaced-apart fuel chambers communicated by an impingement passage extending lo...
|
|
JPS5634072Y2 |
|
|
JPS5634073Y2 |
|
|
JPS5628989A |
There is disclosed a drilling tool 10 of the type having a dowhole motor, e.g. turbine 16, 17, and a method of operating the tool in drilling a wellbore. The bit of the tool may be rotated either by actuation of the turbine 16, 17 during...
|
|
JPS5514238B1 |
An arrangement for fishing an elongated member such as a drill pipe from a borehole which includes AT LEAST ONE UPPER TUBULAR ELEMENT, AT LEAST ONE LOWER TUBULAR ELEMENT, AND AN INTERMEDIARY TUBULAR ELEMENT COVERED BY A SOCK-LIKE ELEMENT...
|
|
JPS5511199B2 |
|
|
JPS5532898A |
A hydraulic jarring tool includes a system for externally adjusting the sleeve valve flow rate mechanically. The jarring tool includes an outer member and an inner member telescopically arranged. Spline means between said outer member an...
|
|
JPS5531823U |
|
|
JPS5429441B1 |
A tool for lowering or raising a safety device in an oil well comprises a hollow cylindrical body, a plunger which reciprocates axially in said body in response to fluid pressure pulses, means for converting the axial movement of said pl...
|
|
JPS5426321Y2 |
|
|
JPS543801B1 |
An illustrative embodiment in accordance with the present invention in jars includes a mandrel and housing which are telescopically disposed and adapted for connection in a pipe string, said mandrel and housing having spaced impact surfa...
|
|
JPS538641B2 |
|
|
JPS52132488A |
An apparatus for cutting and recovering casing from a well which includes a well string having a swivel mounted thereon, a gripping assembly, a lower drive cone, and a cutter mounted on the lower end of the well string, the swivel functi...
|
|
JPS5228081B2 |
|
|
JPS51144304A |
A surface-controlled subsurface safety valve apparatus and method of utilizing the safety valve to through-the-flowline serviced wells. Both the valve frame and valve operator are provided with ball and socket universal joints to enable ...
|
|
JPS5165001A |
A rigid stabilizer sleeve having outwardly extending ribs is slidably received over a collar, internal clamp rings operate to clamp the stabilizer at any desired position on the drill collar; another aspect resides in a structure and met...
|
