GB2525763B - Pressure regulated downhole equipment - Google Patents
Pressure regulated downhole equipmentInfo
- Publication number
- GB2525763B GB2525763B GB1507096.4A GB201507096A GB2525763B GB 2525763 B GB2525763 B GB 2525763B GB 201507096 A GB201507096 A GB 201507096A GB 2525763 B GB2525763 B GB 2525763B
- Authority
- GB
- United Kingdom
- Prior art keywords
- downhole equipment
- pressure regulated
- regulated
- pressure
- downhole
- 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 - Fee Related
Links
- 230000001105 regulatory effect Effects 0.000 title 1
Classifications
-
- 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
- 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
-
- 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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
-
- 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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices or the like
- E21B33/14—Methods or devices for cementing, for plugging holes, crevices or the like for cementing casings into boreholes
-
- 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
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
-
- 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
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
- E21B34/08—Valve arrangements for boreholes or wells in wells responsive to flow or pressure of the fluid obtained
-
- 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
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
- E21B34/10—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole
- E21B34/101—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole with means for equalizing fluid pressure above and below the valve
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
- Control Of Fluid Pressure (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201461985159P | 2014-04-28 | 2014-04-28 |
Publications (3)
Publication Number | Publication Date |
---|---|
GB201507096D0 GB201507096D0 (en) | 2015-06-10 |
GB2525763A GB2525763A (en) | 2015-11-04 |
GB2525763B true GB2525763B (en) | 2017-09-13 |
Family
ID=53488683
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1507096.4A Expired - Fee Related GB2525763B (en) | 2014-04-28 | 2015-04-27 | Pressure regulated downhole equipment |
Country Status (3)
Country | Link |
---|---|
US (1) | US20150308227A1 (en) |
CA (1) | CA2889351A1 (en) |
GB (1) | GB2525763B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108060909A (en) * | 2017-11-22 | 2018-05-22 | 中国石油集团长城钻探工程有限公司 | A kind of extended reach well floats effective blind plugging device of trapping |
US11125044B2 (en) | 2019-03-06 | 2021-09-21 | Saudi Arabian Oil Company | Pressurized flotation for tubular installation in wellbores |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3863714A (en) * | 1973-04-17 | 1975-02-04 | Compatible Controls Systems In | Automatic gas well flow control |
EP0187690A2 (en) * | 1982-03-04 | 1986-07-16 | Halliburton Company | Downhole tool with liquid spring |
US20020148614A1 (en) * | 2001-04-17 | 2002-10-17 | Szarka David D. | PDF valve |
US20070095533A1 (en) * | 2005-11-01 | 2007-05-03 | Halliburton Energy Services, Inc. | Reverse cementing float equipment |
-
2015
- 2015-04-27 GB GB1507096.4A patent/GB2525763B/en not_active Expired - Fee Related
- 2015-04-27 CA CA2889351A patent/CA2889351A1/en not_active Abandoned
- 2015-04-27 US US14/697,366 patent/US20150308227A1/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3863714A (en) * | 1973-04-17 | 1975-02-04 | Compatible Controls Systems In | Automatic gas well flow control |
EP0187690A2 (en) * | 1982-03-04 | 1986-07-16 | Halliburton Company | Downhole tool with liquid spring |
US20020148614A1 (en) * | 2001-04-17 | 2002-10-17 | Szarka David D. | PDF valve |
US20070095533A1 (en) * | 2005-11-01 | 2007-05-03 | Halliburton Energy Services, Inc. | Reverse cementing float equipment |
Also Published As
Publication number | Publication date |
---|---|
GB2525763A (en) | 2015-11-04 |
CA2889351A1 (en) | 2015-10-28 |
US20150308227A1 (en) | 2015-10-29 |
GB201507096D0 (en) | 2015-06-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB2532609B (en) | Downhole tool | |
GB201420292D0 (en) | Drilling rig | |
GB2560837B (en) | Downhole apparatus | |
SG11201608526VA (en) | Downhole tool | |
GB2534439B (en) | Packer | |
SG11201606346TA (en) | Intermittent-bubbling equipment | |
GB2524311B (en) | Centraliser | |
GB2529059B (en) | Downhole tool | |
GB201421577D0 (en) | Drill | |
GB201703963D0 (en) | Wellhead assembly | |
GB201421576D0 (en) | Drill | |
GB2532754B (en) | Subsea equipment-protection apparatus | |
GB2551258B (en) | Downhole apparatus | |
GB201409551D0 (en) | Subsea chemical management | |
GB201415363D0 (en) | Drilling fluids | |
GB2525763B (en) | Pressure regulated downhole equipment | |
GB2545919B (en) | Downhole valve apparatus | |
SG11201609430TA (en) | Downhole tool | |
GB2545920B (en) | Downhole valve apparatus | |
GB2544616B (en) | Downhole tool | |
GB201517240D0 (en) | Rig | |
GB2528126B (en) | Downhole apparatus recovery | |
GB2525001B (en) | Centraliser | |
GB201622361D0 (en) | Downhole apparatus | |
GB2540391B (en) | Downhole apparatus |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20190427 |