CN2761823Y - Simple oil extraction wellhead - Google Patents
Simple oil extraction wellhead Download PDFInfo
- Publication number
- CN2761823Y CN2761823Y CN 200420030700 CN200420030700U CN2761823Y CN 2761823 Y CN2761823 Y CN 2761823Y CN 200420030700 CN200420030700 CN 200420030700 CN 200420030700 U CN200420030700 U CN 200420030700U CN 2761823 Y CN2761823 Y CN 2761823Y
- Authority
- CN
- China
- Prior art keywords
- tubing
- tubing hanger
- utility
- model
- nipple
- 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
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- Earth Drilling (AREA)
Abstract
The utility model discloses a simple oil extracting wellhead, which is composed of a big tee joint T, a tubing hanger, a tubing nipple, a union, a blowout preventing box and a pressing cap. The utility model is characterized in that the big tee joint T is connected with the tubing hanger, the tubing hanger is connected the tubing nipple, the other end of the tubing nipple is connected with the union, the union is connected with the blowout preventing box and the blowout preventing box is connected with the pressing cap. The utility model has the advantages of reasonable structure, low cost, small size, convenient use and good sealing effect.
Description
One, technical field: the utility model relates to a kind of production wellhead, particularly a kind of simple and easy production wellhead.
Two, background technology: each oil field is extensive use of well head in technologies such as oil recovery at present, but owing to be subjected to its structural limitations, the ubiquity parts are many, volume big, use inconvenient shortcoming.
Three, summary of the invention: the purpose of this utility model just is to provide a kind of volume well head little, easy to use one simple and easy production wellhead.Technical solution of the present utility model is: described well head is made up of full three links, tubing hanger, tubing nipple, the oily ninth of the ten Heavenly Stems, blowout prevention box and pressure cap, full three links is connected with tubing hanger, tubing hanger is connected with tubing nipple, the other end of tubing nipple connects the oily ninth of the ten Heavenly Stems, oil is connected with the blowout prevention box ninth of the ten Heavenly Stems, and the blowout prevention box is connected with pressure cap; Outer setting in tubing hanger has jackscrew.The utility model is reasonable in design, and volume is little, and is easy to use, good sealing effect, the application life of having improved production wellhead.
Four, description of drawings: Fig. 1 is that the utility model embodiment master TV structure partly cuts open schematic diagram.
Five, the specific embodiment: with reference to accompanying drawing, described production wellhead is made up of full three links 1, tubing hanger 2, tubing nipple 3, the oily ninth of the ten Heavenly Stems 4, blowout prevention box 5 and pressure cap 6, full three links 1 is connected with tubing hanger 2, tubing hanger 2 is connected with tubing nipple 3, the other end of tubing nipple 3 connects the oily ninth of the ten Heavenly Stems 4, oil is connected with blowout prevention box 5 ninth of the ten Heavenly Stems 4, and blowout prevention box 5 is connected with pressure cap 6; Outer setting in tubing hanger 2 has jackscrew 7.Number in the figure 8 is sealing mats.
Claims (2)
1, a kind of simple and easy production wellhead, form by full three links (1), tubing hanger (2), tubing nipple (3), the oily ninth of the ten Heavenly Stems (4), blowout prevention box (5) and pressure cap (6), it is characterized in that full three links (1) is connected with tubing hanger (2), tubing hanger (2) is connected with tubing nipple (3), the other end of tubing nipple (3) connects the oily ninth of the ten Heavenly Stems (4), the oil ninth of the ten Heavenly Stems (4) is connected with blowout prevention box (5), and blowout prevention box (5) is connected with pressure cap (6).
2, simple and easy production wellhead as claimed in claim 1 is characterized in that in the outer setting of tubing hanger (2) jackscrew (7) being arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420030700 CN2761823Y (en) | 2004-03-08 | 2004-03-08 | Simple oil extraction wellhead |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420030700 CN2761823Y (en) | 2004-03-08 | 2004-03-08 | Simple oil extraction wellhead |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2761823Y true CN2761823Y (en) | 2006-03-01 |
Family
ID=36094951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420030700 Expired - Fee Related CN2761823Y (en) | 2004-03-08 | 2004-03-08 | Simple oil extraction wellhead |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2761823Y (en) |
-
2004
- 2004-03-08 CN CN 200420030700 patent/CN2761823Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |