IE38549L - Formation testing tool. - Google Patents
Formation testing tool.Info
- Publication number
- IE38549L IE38549L IE732145A IE214573A IE38549L IE 38549 L IE38549 L IE 38549L IE 732145 A IE732145 A IE 732145A IE 214573 A IE214573 A IE 214573A IE 38549 L IE38549 L IE 38549L
- Authority
- IE
- Ireland
- Prior art keywords
- tool
- formation
- selectively
- new
- pressure
- Prior art date
Links
- 230000015572 biosynthetic process Effects 0.000 title abstract 4
- 238000004873 anchoring Methods 0.000 abstract 2
- 239000012530 fluid Substances 0.000 abstract 2
- 238000005259 measurement Methods 0.000 abstract 2
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
- E21B49/08—Obtaining fluid samples or testing fluids, in boreholes or wells
- E21B49/10—Obtaining fluid samples or testing fluids, in boreholes or wells using side-wall fluid samplers or testers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/20507—Type of prime mover
- F15B2211/20515—Electric motor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/305—Directional control characterised by the type of valves
- F15B2211/30505—Non-return valves, i.e. check valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/40—Flow control
- F15B2211/405—Flow control characterised by the type of flow control means or valve
- F15B2211/40515—Flow control characterised by the type of flow control means or valve with variable throttles or orifices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/40—Flow control
- F15B2211/415—Flow control characterised by the connections of the flow control means in the circuit
- F15B2211/41572—Flow control characterised by the connections of the flow control means in the circuit being connected to a pressure source and an output member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/40—Flow control
- F15B2211/42—Flow control characterised by the type of actuation
- F15B2211/426—Flow control characterised by the type of actuation electrically or electronically
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/50—Pressure control
- F15B2211/505—Pressure control characterised by the type of pressure control means
- F15B2211/50509—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
- F15B2211/50518—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using pressure relief valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/50—Pressure control
- F15B2211/505—Pressure control characterised by the type of pressure control means
- F15B2211/50563—Pressure control characterised by the type of pressure control means the pressure control means controlling a differential pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/50—Pressure control
- F15B2211/555—Pressure control for assuring a minimum pressure, e.g. by using a back pressure valve
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/50—Pressure control
- F15B2211/575—Pilot pressure control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/605—Load sensing circuits
- F15B2211/6051—Load sensing circuits having valve means between output member and the load sensing circuit
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/63—Electronic controllers
- F15B2211/6303—Electronic controllers using input signals
- F15B2211/6306—Electronic controllers using input signals representing a pressure
- F15B2211/6309—Electronic controllers using input signals representing a pressure the pressure being a pressure source supply pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/63—Electronic controllers
- F15B2211/6303—Electronic controllers using input signals
- F15B2211/6306—Electronic controllers using input signals representing a pressure
- F15B2211/6313—Electronic controllers using input signals representing a pressure the pressure being a load pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/665—Methods of control using electronic components
- F15B2211/6651—Control of the prime mover, e.g. control of the output torque or rotational speed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/665—Methods of control using electronic components
- F15B2211/6653—Pressure control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
- F15B2211/7051—Linear output members
- F15B2211/7055—Linear output members having more than two chambers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
- F15B2211/7107—Multiple output members, e.g. multiple hydraulic motors or cylinders the output members being mechanically linked
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
- F15B2211/7114—Multiple output members, e.g. multiple hydraulic motors or cylinders with direct connection between the chambers of different actuators
- F15B2211/7128—Multiple output members, e.g. multiple hydraulic motors or cylinders with direct connection between the chambers of different actuators the chambers being connected in parallel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
- F15B2211/7142—Multiple output members, e.g. multiple hydraulic motors or cylinders the output members being arranged in multiple groups
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/77—Control of direction of movement of the output member
- F15B2211/7716—Control of direction of movement of the output member with automatic return
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Geology (AREA)
- Geochemistry & Mineralogy (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Sampling And Sample Adjustment (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Piles And Underground Anchors (AREA)
- Fluid-Pressure Circuits (AREA)
- Electrotherapy Devices (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
In the representative embodiment of the new and improved wireline formation-testing apparatus disclosed herein, pressure-responsive fluid-admitting means and tool-anchoring means are cooperatively arranged on a tool body for selectively anchoring the tool in position in a well bore for obtaining at least one measurement or fluid sample from a sub-surface earth formation. The new and improved tool further includes a selectively-operable hydraulic pump which is coupled by a plurality of selectively-operable hydraulic valves to the pressure-responsive means as well as to one or more pressure-responsive flow-control valves. By arranging each of the hydraulic control valves to operate only at selected hydraulic pressures, the new and improved formation-testing tool is sequentially operated as required to obtain selected measurements and, if desired, one or more samples of the formation fluids from one or more formation intervals before removing the tool from the well bore.
[US3780575A]
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US31323572A | 1972-12-08 | 1972-12-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
IE38549L true IE38549L (en) | 1975-06-08 |
IE38549B1 IE38549B1 (en) | 1978-04-12 |
Family
ID=23214911
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IE2145/73A IE38549B1 (en) | 1972-12-08 | 1973-11-27 | Formation testing tool for obtaining multiple measurements and fluid samples |
Country Status (12)
Country | Link |
---|---|
US (1) | US3780575A (en) |
JP (1) | JPS5616279B2 (en) |
AR (1) | AR215408A1 (en) |
BR (1) | BR7309631D0 (en) |
CA (1) | CA988030A (en) |
DE (1) | DE2360268C2 (en) |
FR (1) | FR2209890B1 (en) |
GB (1) | GB1449857A (en) |
IE (1) | IE38549B1 (en) |
NL (1) | NL178805C (en) |
NO (1) | NO141697C (en) |
SU (1) | SU839448A3 (en) |
Families Citing this family (84)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4507957A (en) * | 1983-05-16 | 1985-04-02 | Dresser Industries, Inc. | Apparatus for testing earth formations |
US4513612A (en) * | 1983-06-27 | 1985-04-30 | Halliburton Company | Multiple flow rate formation testing device and method |
US4720996A (en) * | 1986-01-10 | 1988-01-26 | Western Atlas International, Inc. | Power control system for subsurface formation testing apparatus |
US4745802A (en) * | 1986-09-18 | 1988-05-24 | Halliburton Company | Formation testing tool and method of obtaining post-test drawdown and pressure readings |
US4742459A (en) * | 1986-09-29 | 1988-05-03 | Schlumber Technology Corp. | Method and apparatus for determining hydraulic properties of formations surrounding a borehole |
US4860580A (en) * | 1988-11-07 | 1989-08-29 | Durocher David | Formation testing apparatus and method |
US5279153A (en) * | 1991-08-30 | 1994-01-18 | Schlumberger Technology Corporation | Apparatus for determining horizontal and/or vertical permeability of an earth formation |
US5265015A (en) * | 1991-06-27 | 1993-11-23 | Schlumberger Technology Corporation | Determining horizontal and/or vertical permeability of an earth formation |
US5269180A (en) * | 1991-09-17 | 1993-12-14 | Schlumberger Technology Corp. | Borehole tool, procedures, and interpretation for making permeability measurements of subsurface formations |
US5329811A (en) * | 1993-02-04 | 1994-07-19 | Halliburton Company | Downhole fluid property measurement tool |
US5555945A (en) * | 1994-08-15 | 1996-09-17 | Halliburton Company | Early evaluation by fall-off testing |
US5540280A (en) * | 1994-08-15 | 1996-07-30 | Halliburton Company | Early evaluation system |
US5622223A (en) * | 1995-09-01 | 1997-04-22 | Haliburton Company | Apparatus and method for retrieving formation fluid samples utilizing differential pressure measurements |
EP0781893B8 (en) * | 1995-12-26 | 2007-02-14 | HALLIBURTON ENERGY SERVICES, Inc. | Apparatus and method for early evaluation and servicing of a well |
US5741962A (en) * | 1996-04-05 | 1998-04-21 | Halliburton Energy Services, Inc. | Apparatus and method for analyzing a retrieving formation fluid utilizing acoustic measurements |
US5934374A (en) * | 1996-08-01 | 1999-08-10 | Halliburton Energy Services, Inc. | Formation tester with improved sample collection system |
US5826662A (en) * | 1997-02-03 | 1998-10-27 | Halliburton Energy Services, Inc. | Apparatus for testing and sampling open-hole oil and gas wells |
US5859430A (en) * | 1997-04-10 | 1999-01-12 | Schlumberger Technology Corporation | Method and apparatus for the downhole compositional analysis of formation gases |
US5887652A (en) * | 1997-08-04 | 1999-03-30 | Halliburton Energy Services, Inc. | Method and apparatus for bottom-hole testing in open-hole wells |
US5939717A (en) * | 1998-01-29 | 1999-08-17 | Schlumberger Technology Corporation | Methods and apparatus for determining gas-oil ratio in a geological formation through the use of spectroscopy |
US6274865B1 (en) | 1999-02-23 | 2001-08-14 | Schlumberger Technology Corporation | Analysis of downhole OBM-contaminated formation fluid |
US6350986B1 (en) | 1999-02-23 | 2002-02-26 | Schlumberger Technology Corporation | Analysis of downhole OBM-contaminated formation fluid |
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US6437326B1 (en) | 2000-06-27 | 2002-08-20 | Schlumberger Technology Corporation | Permanent optical sensor downhole fluid analysis systems |
US6476384B1 (en) | 2000-10-10 | 2002-11-05 | Schlumberger Technology Corporation | Methods and apparatus for downhole fluids analysis |
US6474152B1 (en) | 2000-11-02 | 2002-11-05 | Schlumberger Technology Corporation | Methods and apparatus for optically measuring fluid compressibility downhole |
US7025138B2 (en) | 2000-12-08 | 2006-04-11 | Schlumberger Technology Corporation | Method and apparatus for hydrogen sulfide monitoring |
US6501072B2 (en) | 2001-01-29 | 2002-12-31 | Schlumberger Technology Corporation | Methods and apparatus for determining precipitation onset pressure of asphaltenes |
US6590647B2 (en) | 2001-05-04 | 2003-07-08 | Schlumberger Technology Corporation | Physical property determination using surface enhanced raman emissions |
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US7028773B2 (en) * | 2001-11-28 | 2006-04-18 | Schlumberger Technology Coporation | Assessing downhole WBM-contaminated connate water |
US6729400B2 (en) | 2001-11-28 | 2004-05-04 | Schlumberger Technology Corporation | Method for validating a downhole connate water sample |
US7075062B2 (en) * | 2001-12-10 | 2006-07-11 | Schlumberger Technology Corporation | Apparatus and methods for downhole determination of characteristics of formation fluids |
US6640625B1 (en) | 2002-05-08 | 2003-11-04 | Anthony R. H. Goodwin | Method and apparatus for measuring fluid density downhole |
US7002142B2 (en) * | 2002-06-26 | 2006-02-21 | Schlumberger Technology Corporation | Determining dew precipitation and onset pressure in oilfield retrograde condensate |
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Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3011554A (en) * | 1956-01-23 | 1961-12-05 | Schlumberger Well Surv Corp | Apparatus for investigating earth formations |
US3352361A (en) * | 1965-03-08 | 1967-11-14 | Schlumberger Technology Corp | Formation fluid-sampling apparatus |
US3385364A (en) * | 1966-06-13 | 1968-05-28 | Schlumberger Technology Corp | Formation fluid-sampling apparatus |
US3577781A (en) * | 1969-01-10 | 1971-05-04 | Schlumberger Technology Corp | Tool to take multiple formation fluid pressures |
US3530933A (en) * | 1969-04-02 | 1970-09-29 | Schlumberger Technology Corp | Formation-sampling apparatus |
US3565169A (en) * | 1969-04-02 | 1971-02-23 | Schlumberger Technology Corp | Formation-sampling apparatus |
US3653436A (en) * | 1970-03-18 | 1972-04-04 | Schlumberger Technology Corp | Formation-sampling apparatus |
-
1972
- 1972-12-08 US US00313235A patent/US3780575A/en not_active Expired - Lifetime
-
1973
- 1973-11-26 CA CA186,691A patent/CA988030A/en not_active Expired
- 1973-11-27 IE IE2145/73A patent/IE38549B1/en unknown
- 1973-12-04 DE DE2360268A patent/DE2360268C2/en not_active Expired
- 1973-12-05 NO NO4654/73A patent/NO141697C/en unknown
- 1973-12-07 SU SU731978257A patent/SU839448A3/en active
- 1973-12-07 GB GB5673973A patent/GB1449857A/en not_active Expired
- 1973-12-07 BR BR9631/73A patent/BR7309631D0/en unknown
- 1973-12-07 AR AR251411A patent/AR215408A1/en active
- 1973-12-08 JP JP13725673A patent/JPS5616279B2/ja not_active Expired
- 1973-12-10 FR FR7343901A patent/FR2209890B1/fr not_active Expired
- 1973-12-10 NL NLAANVRAGE7316840,A patent/NL178805C/en not_active IP Right Cessation
Also Published As
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US3780575A (en) | 1973-12-25 |
DE2360268A1 (en) | 1974-06-12 |
SU839448A3 (en) | 1981-06-15 |
NL7316840A (en) | 1974-06-11 |
CA988030A (en) | 1976-04-27 |
AR215408A1 (en) | 1979-10-15 |
AU6303673A (en) | 1975-05-29 |
DE2360268C2 (en) | 1984-05-03 |
JPS501794A (en) | 1975-01-09 |
IE38549B1 (en) | 1978-04-12 |
BR7309631D0 (en) | 1974-10-22 |
NO141697B (en) | 1980-01-14 |
JPS5616279B2 (en) | 1981-04-15 |
NO141697C (en) | 1980-05-07 |
FR2209890B1 (en) | 1978-10-27 |
FR2209890A1 (en) | 1974-07-05 |
NL178805C (en) | 1986-05-16 |
NL178805B (en) | 1985-12-16 |
GB1449857A (en) | 1976-09-15 |
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