CA2193309A1 - Early evaluation system with pump and method of servicing a well - Google Patents
Early evaluation system with pump and method of servicing a wellInfo
- Publication number
- CA2193309A1 CA2193309A1 CA002193309A CA2193309A CA2193309A1 CA 2193309 A1 CA2193309 A1 CA 2193309A1 CA 002193309 A CA002193309 A CA 002193309A CA 2193309 A CA2193309 A CA 2193309A CA 2193309 A1 CA2193309 A1 CA 2193309A1
- Authority
- CA
- Canada
- Prior art keywords
- pump
- fluid
- well
- servicing
- actuated
- 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.)
- Granted
Links
- 238000011156 evaluation Methods 0.000 title abstract 3
- 238000000034 method Methods 0.000 title abstract 2
- 239000012530 fluid Substances 0.000 abstract 7
- 230000015572 biosynthetic process Effects 0.000 abstract 2
- 238000005553 drilling Methods 0.000 abstract 2
- 238000005070 sampling Methods 0.000 abstract 2
- 238000004891 communication Methods 0.000 abstract 1
- 238000005259 measurement Methods 0.000 abstract 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B49/087—Well testing, e.g. testing for reservoir productivity or formation parameters
- E21B49/088—Well testing, e.g. testing for reservoir productivity or formation parameters combined with sampling
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/10—Valve arrangements in drilling-fluid circulation systems
- E21B21/103—Down-hole by-pass valve arrangements, i.e. between the inside of the drill string and the annulus
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B27/00—Containers for collecting or depositing substances in boreholes or wells, e.g. bailers, baskets or buckets for collecting mud or sand; Drill bits with means for collecting substances, e.g. valve drill bits
- E21B27/02—Dump bailers, i.e. containers for depositing substances, e.g. cement or acids
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
- E21B33/124—Units with longitudinally-spaced plugs for isolating the intermediate space
- E21B33/1243—Units with longitudinally-spaced plugs for isolating the intermediate space with inflatable sleeves
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B49/081—Obtaining fluid samples or testing fluids, in boreholes or wells with down-hole means for trapping a fluid sample
Abstract
An early evaluation system with pump for servicing a well and taking fluid samples and measurements. In each of the embodiments, a formation pump is actuated to flow fluid from the well formation below a packer element engaged with the borehole into a sampling tube.
Fluid samplers and recording instruments may be in communication with the sampling tube. In one embodiment, the pump is mechanically actuated by rotation of the tool string. In another embodiment, the pump is hydraulically actuated and has a hydraulic motor connected thereto. In this hydraulically acutated embodiment, fluid pumped down the tool string actuates the hydraulic motor and thereby further actuates the pump. Other pump embodiments are also disclosed. In still another embodiment, the apparatus may be incorporated into a drill string so that a drilling operation may be carried out and immediately followed by a fluid evaluation operation. In this latter embodiment, circulating valves disposed in the apparatus allow fluid to be pumped downwardly through the drill bit when in a first position and then allow fluid samples to be taken by actuation of the pump when in a second position after the packer elements are engaged. Methods of drilling and servicing a well and conducting a bubble point determination utilizing the apparatus are also disclosed.
Fluid samplers and recording instruments may be in communication with the sampling tube. In one embodiment, the pump is mechanically actuated by rotation of the tool string. In another embodiment, the pump is hydraulically actuated and has a hydraulic motor connected thereto. In this hydraulically acutated embodiment, fluid pumped down the tool string actuates the hydraulic motor and thereby further actuates the pump. Other pump embodiments are also disclosed. In still another embodiment, the apparatus may be incorporated into a drill string so that a drilling operation may be carried out and immediately followed by a fluid evaluation operation. In this latter embodiment, circulating valves disposed in the apparatus allow fluid to be pumped downwardly through the drill bit when in a first position and then allow fluid samples to be taken by actuation of the pump when in a second position after the packer elements are engaged. Methods of drilling and servicing a well and conducting a bubble point determination utilizing the apparatus are also disclosed.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US57848995A | 1995-12-26 | 1995-12-26 | |
US08/578,489 | 1995-12-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2193309A1 true CA2193309A1 (en) | 1997-06-27 |
CA2193309C CA2193309C (en) | 2004-07-06 |
Family
ID=24313104
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002193309A Expired - Lifetime CA2193309C (en) | 1995-12-26 | 1996-12-18 | Early evaluation system with pump and method of servicing a well |
Country Status (6)
Country | Link |
---|---|
US (1) | US5799733A (en) |
EP (1) | EP0781893B8 (en) |
AU (1) | AU720964B2 (en) |
CA (1) | CA2193309C (en) |
DE (1) | DE69636665T2 (en) |
NO (1) | NO319932B1 (en) |
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-
1996
- 1996-08-27 DE DE69636665T patent/DE69636665T2/en not_active Expired - Lifetime
- 1996-08-27 EP EP96306203A patent/EP0781893B8/en not_active Expired - Lifetime
- 1996-08-30 AU AU64413/96A patent/AU720964B2/en not_active Expired
- 1996-09-26 NO NO19964051A patent/NO319932B1/en not_active IP Right Cessation
- 1996-12-18 CA CA002193309A patent/CA2193309C/en not_active Expired - Lifetime
-
1997
- 1997-09-30 US US08/941,883 patent/US5799733A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0781893A2 (en) | 1997-07-02 |
NO964051D0 (en) | 1996-09-26 |
DE69636665D1 (en) | 2006-12-14 |
AU720964B2 (en) | 2000-06-15 |
NO964051L (en) | 1997-06-27 |
AU6441396A (en) | 1997-07-03 |
US5799733A (en) | 1998-09-01 |
CA2193309C (en) | 2004-07-06 |
NO319932B1 (en) | 2005-10-03 |
EP0781893A3 (en) | 2002-03-13 |
EP0781893B8 (en) | 2007-02-14 |
EP0781893B1 (en) | 2006-11-02 |
DE69636665T2 (en) | 2007-10-04 |
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Legal Events
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EEER | Examination request | ||
MKEX | Expiry |
Effective date: 20161219 |