CN2346927Y - Producing well technical combined valve - Google Patents
Producing well technical combined valve Download PDFInfo
- Publication number
- CN2346927Y CN2346927Y CN 97213723 CN97213723U CN2346927Y CN 2346927 Y CN2346927 Y CN 2346927Y CN 97213723 CN97213723 CN 97213723 CN 97213723 U CN97213723 U CN 97213723U CN 2346927 Y CN2346927 Y CN 2346927Y
- Authority
- CN
- China
- Prior art keywords
- valve
- oil
- spool
- oil well
- process combination
- 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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Abstract
The utility model relates to a producing well technical combined valve which is a multifunctional gate valve for the integration of producing well technical devices in oil fields. The utility model is installed on a wellhead pipeline without an oil pressure gauge, a production valve, a return pressure gauge, an emptying valve, a temperature measuring jack, an oil pipe screw plug and a return pressure valve, and the utility model can carry out pressure storing operation for oil wells, return pressure measuring operation, oil sample taking operation, oil temperature measuring operation, emptying operation, pipeline punching operation, valve opening and closing operation, etc., after an anti-theft valve cover is opened. The utility model has the advantages of simple structure, anti-theft performance and convenient operation.
Description
The utility model belongs to mechanical manufacturing field, aims at the integrated multi-functional gate valve of a kind of well site field control process unit of the supporting design of oil well mouth.
Known production wellhead field control process unit principle is shown in figure one, and the crude oil with certain energy enters petroleum pipeline (9) (underground 0.6～0.8m) from underground current through well head oil pipe threeway (1), oil pressure gauge (2), production gate (3), back pressure table (4), cock (5), thermometric jack (6), oil pipe internal thread and plug (8) and back pressure gate (7).Do following oil well production detection of dynamic or constructing operation at these daily need in several places:
1. the well head fraud is pressed: produce gate (3) in oil well pass in service, observe oil pressure gauge (2) record tubing pressure then and change, inscribe thereby analyze between the down-hole.
2. amount back pressure: value in oil well pressure table (4) of reading back in service.
3. draw oil sample: in service at oil well, open cock (5) and take out the oil in test of crude sample.
4. emptying: stop closing back pressure gate (7) behind the well, open cock (5), so that the disassembling section of the replacing of the packing of well head oil pipe threeway (1) and oil pipe plug (8) to crude oil pressure release emptying in the well head flow process.
5. washing pipe line: be forced to stop well if the crude oil production pipeline is blocked, need close earlier and produce gate (3) and back pressure gate (7), open cock (5) emptying, unload oil pipe plug (8) then, high-pressure pump water outlet (or gas) pipeline in the connection, close cock (5) again, open back pressure gate (7) primer pump and carry out the operation of washing pipe line.
There are five big shortcomings in this process unit:
1. anti-lawless person's damage capability extreme difference: pipeline is threaded everywhere, i.e. oil pressure gauge (2), back pressure table (4), cock (5), oil pipe plug (8).Three at gate: promptly produce gate (3), cock (5) and back pressure gate (7).But the lawless person is easy to just closed shutter (3) or (7) fraud well and destroys well head, or opens cock (5) and drain the oil, and perhaps dismantles oil pipe plug (8) to drain the oil, or tears the connecting flange of producing gate (3), back pressure gate (7) open and make it leakage of oil.Not only crude oil is stolen serious, contaminated environment, and rate when influencing oil well production.
2. device is complicated, and member is many, the cost height, and seven places need to weld in the well site.Be that oil pressure gauge (2), production gate (3) two ends companion flange, back pressure table (4), cock (5), thermometric jack (6), back pressure gate (7) two ends companion flange and oil pipe internal thread and plug places such as (8) need well site welding Fang Yang figure one shown device.
3. aforementioned operation program complexity, operating point is scattered.
4. it is many to install each member consumable accessory, and application life is short, influences crude oil production.
5. pressure meter, cock and the gate in the device is disassembled easily, often stolen the metal person and destroys.
The purpose of this utility model: overcome above-mentioned shortcoming, simplified structure, antitheft and handled easily.
The utility model for achieving the above object and the design scheme shown in figure two: oil well process combination valve feed tube (left side) has unidirectional stop valve (3), and drain pipe (left side) has thermometric jack (10).Rotational password pin (7) is to its latch enclosure after valve body (1) and valve gap (6) thread connection.Spool (2) adopts with valve body (1) and is inverted conical surface contact seal.Spool (2) is supported by elastic body, can move down.Ball-and-seat (4) is placed in spool (2) top.Valve body (1) top is processed with oil pipe internal thread (5), and the bottom is processed with supercharging oil duct (11).Spool (2) has complete internal channel, and promptly hole (9) and hole (10) make spool (2) become four-way.Like this, can locate the back pressure gate (7) that oil well process combination valve is placed in production wellhead flow process shown in the figure one, cancellation crude oil pressure meter (2), produce gate (3), back pressure table (4), cock (5), thermometric jack (6), back pressure gate (7) and oil pipe internal thread and oil pipe plug (8).And after opening code pins (7) and valve gap (6), can carry out technological operation.Above-mentioned technological operation is updated to:
1, controlled valve: see figure three, rotate with opening valve cage (13)
Spool (2) is with controlled valve.
2, well head builds the pressure and measures back pressure: at ball-and-seat shown in the figure two (4)
Place's pressure measurement cooperates the valve opening complete operation again.
3, draw oil sample and emptying: use from ball-and-seat shown in the figure two (4)
Special tool is drained the oil, and cooperates the turned position of spool (2) again
Change and realize this operation.
4, washing pipe line: can directly be connected the oil pipe internal thread (5) shown in the figure two to high-pressure pump water outlet weeds (gas) pipe and locate to operate.So, realized simplified structure, the purpose of antitheft and handled easily has greatly improved reliability.
Claims (8)
1, oil well process combination valve mainly by: valve body (1), spool (2), unidirectional stop valve (3), ball-and-seat (4), valve gap (5), code pins (7), spring (12) etc. are formed, the oil pipe internal thread is arranged at valve body (1) top, supercharging oil duct (11) is arranged at the bottom, spool (2) top is mounted with ball-and-seat (4), inner processing porose (9) and (10), valve body (1) adopts the contact seal of inversion cone structure with spool (2), and valve body (1) locks with code pins (7) with valve gap (6) assembling back.
2,, it is characterized in that valve body (1) seals with valve gap (6) according to the described oil well process combination of claim 1 valve.
3,, it is characterized in that spool (2) can move down in valve body (1) according to the described oil well process combination of claim 1 valve.
4,, it is characterized in that ball-and-seat (4) is placed in the top of spool (2) according to the described oil well process combination of claim 1 valve.
5,, it is characterized in that its valve body (1) and spool (2) adopt the contact seal of the inversion conical surface according to the described oil well process combination of claim 1 valve.
6,, it is characterized in that rotating code pins (7) bottom employing eccentric lobe stopping mechanism according to the described oil well process combination of claim 1 valve.
7, according to the described oil well process combination of claim 1 valve, it is characterized in that spool (1) top is processed with oil pipe internal thread (5), the bottom is processed with supercharging oil duct (11).
8, according to the described oil well process combination of claim 1 valve, it is characterized in that spool (2) has complete internal channel, promptly porose (9) and hole (10) are communicated with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97213723 CN2346927Y (en) | 1997-04-02 | 1997-04-02 | Producing well technical combined valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97213723 CN2346927Y (en) | 1997-04-02 | 1997-04-02 | Producing well technical combined valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2346927Y true CN2346927Y (en) | 1999-11-03 |
Family
ID=33931405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97213723 Expired - Fee Related CN2346927Y (en) | 1997-04-02 | 1997-04-02 | Producing well technical combined valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2346927Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104775784A (en) * | 2015-03-11 | 2015-07-15 | 徐占有 | Oil field wellhead device and pressureout prevention device for Christmas tree |
| CN105464625A (en) * | 2014-09-10 | 2016-04-06 | 中国石油天然气股份有限公司 | Tight oil-gas well airlock treatment method |
| CN110513087A (en) * | 2019-07-18 | 2019-11-29 | 中国石油天然气股份有限公司 | A kind of well head pressure difference companion gas recovery system |
-
1997
- 1997-04-02 CN CN 97213723 patent/CN2346927Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105464625A (en) * | 2014-09-10 | 2016-04-06 | 中国石油天然气股份有限公司 | Tight oil-gas well airlock treatment method |
| CN105464625B (en) * | 2014-09-10 | 2018-02-02 | 中国石油天然气股份有限公司 | A kind of processing method of fine and close Oil/gas Well gas lock |
| CN104775784A (en) * | 2015-03-11 | 2015-07-15 | 徐占有 | Oil field wellhead device and pressureout prevention device for Christmas tree |
| CN104775784B (en) * | 2015-03-11 | 2017-05-10 | 徐占有 | Oil field wellhead device and pressureout prevention device for Christmas tree |
| CN110513087A (en) * | 2019-07-18 | 2019-11-29 | 中国石油天然气股份有限公司 | A kind of well head pressure difference companion gas recovery system |
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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 |