CA1121330A - Shock limiting apparatus - Google Patents

Shock limiting apparatus

Info

Publication number
CA1121330A
CA1121330A CA000344567A CA344567A CA1121330A CA 1121330 A CA1121330 A CA 1121330A CA 000344567 A CA000344567 A CA 000344567A CA 344567 A CA344567 A CA 344567A CA 1121330 A CA1121330 A CA 1121330A
Authority
CA
Canada
Prior art keywords
instrumentality
pressure
drill collar
mandrel
piston
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA000344567A
Other languages
English (en)
French (fr)
Inventor
Denis R. Tanguy
Larry J. Leising
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schlumberger Canada Ltd
Original Assignee
Schlumberger Canada Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Schlumberger Canada Ltd filed Critical Schlumberger Canada Ltd
Application granted granted Critical
Publication of CA1121330A publication Critical patent/CA1121330A/en
Expired legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00Survey of boreholes or wells
    • E21B47/01Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure or the like
    • E21B47/017Protecting measuring instruments

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Geophysics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
CA000344567A 1979-01-29 1980-01-29 Shock limiting apparatus Expired CA1121330A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/007,526 US4223746A (en) 1979-01-29 1979-01-29 Shock limiting apparatus
US007,526 1979-01-29

Publications (1)

Publication Number Publication Date
CA1121330A true CA1121330A (en) 1982-04-06

Family

ID=21726720

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000344567A Expired CA1121330A (en) 1979-01-29 1980-01-29 Shock limiting apparatus

Country Status (6)

Country Link
US (1) US4223746A (US06826419-20041130-M00005.png)
AU (1) AU541758B2 (US06826419-20041130-M00005.png)
CA (1) CA1121330A (US06826419-20041130-M00005.png)
FR (1) FR2447454A1 (US06826419-20041130-M00005.png)
GB (1) GB2041044B (US06826419-20041130-M00005.png)
PH (1) PH17049A (US06826419-20041130-M00005.png)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4349072A (en) * 1980-10-06 1982-09-14 Schlumberger Technology Corporation Method and apparatus for conducting logging or perforating operations in a borehole
US4380264A (en) * 1980-12-24 1983-04-19 Drilling Development, Inc. Survey tool string
US4600062A (en) * 1984-07-13 1986-07-15 501 Dailey Petroleum Services Corporation Shock absorbing drilling tool
GB8709380D0 (en) * 1987-04-21 1987-05-28 Shell Int Research Downhole drilling motor
US4907658A (en) * 1988-09-29 1990-03-13 Gas Research Institute Percussive mole boring device with electronic transmitter
GB2231070B (en) * 1989-04-29 1992-07-29 Baroid Technology Inc Down-hole decelerators
US4932471A (en) * 1989-08-22 1990-06-12 Hilliburton Company Downhole tool, including shock absorber
US5520246A (en) * 1994-11-14 1996-05-28 Scientific Drilling International Multi-mode cushioning an instrument suspended in a well
US6109355A (en) 1998-07-23 2000-08-29 Pes Limited Tool string shock absorber
GB2381282B (en) * 2001-10-26 2004-03-24 Schlumberger Holdings Brake system
US6951262B2 (en) * 2002-03-05 2005-10-04 Battelle Energy Alliance, Llc Method and apparatus for suppressing waves in a borehole
US7458257B2 (en) * 2005-12-19 2008-12-02 Schlumberger Technology Corporation Downhole measurement of formation characteristics while drilling
US7677334B2 (en) * 2007-04-27 2010-03-16 Conocophillips Company Anti-surge/reverse thruster
AU2009204315B2 (en) * 2008-01-03 2012-02-02 Western Well Tool, Inc. Anti-stall tool for downhole drilling assemblies
US8011428B2 (en) * 2008-11-25 2011-09-06 Baker Hughes Incorporated Downhole decelerating device, system and method
US9187964B2 (en) 2011-09-20 2015-11-17 Schlumberger Technology Corporation Mandrel loading systems and methods
US9004183B2 (en) 2011-09-20 2015-04-14 Baker Hughes Incorporated Drop in completion method
US11274542B2 (en) * 2020-03-30 2022-03-15 Institute Of Geology And Geophysics, Chinese Academy Of Sciences Self-adjusting damping vibration absorber for while-drilling instruments and adjusting method thereof
CN117443637B (zh) * 2023-12-22 2024-04-19 成都锦胜雾森环保科技有限公司 一种雾化设备及其控制方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE651076C (de) * 1937-10-07 Ehrenreich & Cie A Hydropneumatische Abfederung, insbesondere fuer Kraftfahrzeuge
US2812717A (en) * 1953-11-09 1957-11-12 Us Industries Inc Shock absorber apparatus
US3149490A (en) * 1958-10-09 1964-09-22 Texaco Inc Well logging apparatus
US3225566A (en) * 1963-10-07 1965-12-28 Grant Oil Tool Company Drill string shock absorber
FR1460023A (fr) * 1965-10-14 1966-06-17 Aquitaine Petrole Appareillage de production et d'exploitation d'une énergie électrique utilisable en forage
FR2058451A5 (US06826419-20041130-M00005.png) * 1969-09-05 1971-05-28 Aquitaine Petrole
US3606297A (en) * 1969-12-18 1971-09-20 Houston Engineers Inc Energy accumulator and shock absorbing device for well pipe strings
US3963228A (en) * 1974-12-23 1976-06-15 Schlumberger Technology Corporation Drill string shock absorber
US4055338A (en) * 1976-02-17 1977-10-25 Hughes Tool Company Drill string shock absorbing apparatus
DE2647810C2 (de) * 1976-10-22 1978-12-14 Christensen, Inc., Salt Lake City, Utah (V.St.A.) Stoßdämpfer für Tiefbohrgestänge
US4145034A (en) * 1978-03-16 1979-03-20 Hughes Tool Company Heat shield for a drill string shock absorbing apparatus

Also Published As

Publication number Publication date
FR2447454B1 (US06826419-20041130-M00005.png) 1984-05-18
GB2041044A (en) 1980-09-03
FR2447454A1 (fr) 1980-08-22
AU541758B2 (en) 1985-01-17
US4223746A (en) 1980-09-23
PH17049A (en) 1984-05-17
AU5477580A (en) 1980-08-07
GB2041044B (en) 1982-12-22

Similar Documents

Publication Publication Date Title
CA1121330A (en) Shock limiting apparatus
US4518888A (en) Downhole apparatus for absorbing vibratory energy to generate electrical power
CA1094948A (en) Self-adjusting liquid spring operating apparatus and method for use in an oil well valve
US4329127A (en) Sealed bearing means for in hole motors
CA1159364A (en) Pressure operated test tool
RU2330158C2 (ru) Способ и устройство для сбора данных о скважинных характеристиках в процессе выполнения операции бурения
US4632193A (en) In-hole motor with bit clutch and circulation sub
CA2041900C (en) Hydraulic drilling jar
CA1086220A (en) Oil well testing valve with liquid spring
US7673705B2 (en) Compartmentalized MWD tool with isolated pressure compensator
EP0080218B1 (en) Method and means for transmitting data through a drill string in a borehole
US8739897B2 (en) Pressure compensation and rotary seal system for measurement while drilling instrumentation
US5348091A (en) Self-adjusting centralizer
US3963228A (en) Drill string shock absorber
NO821728L (no) Servoventil for fjernmaaling av borehull-tilstander
US20100025111A1 (en) Direct Drive MWD Tool
US4120198A (en) Weight-on-bit measuring apparatus
CA2766168A1 (en) Hydraulically locking stabilizer
CA2042537C (en) Gas lift valve
US3845837A (en) Gravity force operated apparatuses for generation of longitudinal pulse data from the bottom of a well
CN106014396B (zh) 一种剪切阀泥浆脉冲器的动密封及压力补偿结构
USRE30246E (en) Methods and apparatus for driving a means in a drill string while drilling
US4699352A (en) Apparatus for well logging telemetry
CA2435785C (en) Drilling signalling system
CA2435788C (en) Pressure pulse generator for mwd

Legal Events

Date Code Title Description
MKEX Expiry