DE2008792A1 - - Google Patents
Info
- Publication number
- DE2008792A1 DE2008792A1 DE19702008792 DE2008792A DE2008792A1 DE 2008792 A1 DE2008792 A1 DE 2008792A1 DE 19702008792 DE19702008792 DE 19702008792 DE 2008792 A DE2008792 A DE 2008792A DE 2008792 A1 DE2008792 A1 DE 2008792A1
- Authority
- DE
- Germany
- Prior art keywords
- piston
- pressure
- wire rope
- stripping
- seals
- 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.)
- Pending
Links
- 238000007789 sealing Methods 0.000 claims description 6
- 239000013013 elastic material Substances 0.000 claims description 5
- AIXMJTYHQHQJLU-UHFFFAOYSA-N chembl210858 Chemical compound O1C(CC(=O)OC)CC(C=2C=CC(O)=CC=2)=N1 AIXMJTYHQHQJLU-UHFFFAOYSA-N 0.000 claims 1
- 239000010985 leather Substances 0.000 claims 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000003628 erosive effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009999 singeing Methods 0.000 description 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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/08—Wipers; Oil savers
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (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)
- Actuator (AREA)
- Cleaning In General (AREA)
- Earth Drilling (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US80322769A | 1969-02-28 | 1969-02-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2008792A1 true DE2008792A1 (enrdf_load_stackoverflow) | 1970-09-17 |
Family
ID=25185954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19702008792 Pending DE2008792A1 (enrdf_load_stackoverflow) | 1969-02-28 | 1970-02-20 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3606347A (enrdf_load_stackoverflow) |
| DE (1) | DE2008792A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2033418A7 (enrdf_load_stackoverflow) |
| GB (1) | GB1273509A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110847842A (zh) * | 2019-11-15 | 2020-02-28 | 中国石油集团测井有限公司华北分公司 | 一种用于环空电缆测井井口的刮油装置 |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4718487A (en) * | 1986-03-31 | 1988-01-12 | Hydrolex, Inc. | Auxiliary well pressure packoff assembly |
| GB2227508B (en) * | 1989-01-26 | 1992-08-26 | Otis Eng Co | Stuffing box and grease injector for underwater wells |
| US6588502B2 (en) * | 2000-12-05 | 2003-07-08 | Baker Hughes, Incorporated | Well pressure activated pack-off head |
| GB0712528D0 (en) | 2007-06-28 | 2007-08-08 | Phuel Oil Tools Ltd | Apparatus and method |
| US8443878B2 (en) * | 2009-07-21 | 2013-05-21 | Hunting Energy Services, Inc. | Dual stripper assembly for slick cable |
| GB201716832D0 (en) * | 2017-10-13 | 2017-11-29 | Nat Oilwell Varco Uk Limited | Sealing assembly |
| WO2020163301A1 (en) | 2019-02-05 | 2020-08-13 | Weatherford Technology Holdings, Llc | Retrievable anti-extrusion fold-back ring backup for seal element |
-
1969
- 1969-02-28 US US803227*A patent/US3606347A/en not_active Expired - Lifetime
-
1970
- 1970-02-18 GB GB7818/70A patent/GB1273509A/en not_active Expired
- 1970-02-20 DE DE19702008792 patent/DE2008792A1/de active Pending
- 1970-02-24 FR FR7006576A patent/FR2033418A7/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110847842A (zh) * | 2019-11-15 | 2020-02-28 | 中国石油集团测井有限公司华北分公司 | 一种用于环空电缆测井井口的刮油装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| US3606347A (en) | 1971-09-20 |
| GB1273509A (en) | 1972-05-10 |
| FR2033418A7 (enrdf_load_stackoverflow) | 1970-12-04 |
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