CN108119088A - Screw pump combined eccentric well head - Google Patents
Screw pump combined eccentric well head Download PDFInfo
- Publication number
- CN108119088A CN108119088A CN201711259216.XA CN201711259216A CN108119088A CN 108119088 A CN108119088 A CN 108119088A CN 201711259216 A CN201711259216 A CN 201711259216A CN 108119088 A CN108119088 A CN 108119088A
- Authority
- CN
- China
- Prior art keywords
- flashboard
- test
- screw pump
- pipeline
- main body
- 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
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
- E21B33/03—Well heads; Setting-up thereof
-
- 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
- E21B34/02—Valve arrangements for boreholes or wells in well heads
-
- 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
- E21B47/00—Survey of boreholes or wells
- E21B47/008—Monitoring of down-hole pump systems, e.g. for the detection of "pumped-off" conditions
-
- 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
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
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)
- Geophysics (AREA)
- Pipe Accessories (AREA)
Abstract
The invention discloses a novel combined eccentric well head of a screw pump, which solves the problem that the conventional screw pump can only be tested after being emptied. The device specifically comprises a test pipeline; the lower port of the test pipeline is connected with a screw pump well test valve, and the upper port of the test pipeline is detachably connected with a sealing assembly; a left gate valve and a right gate valve are arranged on the test pipeline, and the butt joint of the two valves has a flexible structure; when the two valves are in butt joint and seal with the test pipeline, the test steel wire is clamped between the butt joints, and the flexible structure can protect the test steel wire from being damaged. The whole-process closed pressure data recording is realized, the waiting of the recovery stabilization time during the flow pressure recording is reduced, the testing time is shortened, and the working efficiency is improved.
Description
Technical field
The present invention relates to a kind of wellhead assemblies in oil field.
Background technology
Application of the eccentrie helical totorpump on oil field is more and more extensive, but the test method of such well is still far from perfect.Test
In the process, it is desirable that it is sealing to cross steel wire well head TCH test channel, so blowout prevention valve should be at closed state.
Blowout prevention valve is a kind of slide valve, if closing blowout prevention valve, flashboard will pinch off test steel wire, and can not be surveyed
Examination, therefore the mode tested after emptying can only be taken, environment is not only polluted, also has larger impact to Security of test.Together
When, stablize to keep flowing pressure admission, the stream pressure admission time can only be extended, the testing time is caused to be delayed, influences work efficiency.
Pressure release test puts unnet, hydrodynamic face for casing gas or foam section is not applied to compared with shallow well yet, can only take indirect survey
Pressure mode carries out, this is affected to Testing Data Interpretation result.
The content of the invention
In view of this, the present invention provides a kind of screw pump novel combination type decentralized wellhead, the decentralized wellhead and blowout prevention valve
Combination application realizes hermetical testing under screw bolt well, improves the accuracy of Security of test and test data.
For achieving the above object, the technical solution adopted by the present invention is：
A kind of screw pump novel combination type decentralized wellhead, including：
Test pipeline；
The test pipeline, lower port are connected with screw bolt well test valve, and upper port is removably connected with sealing group
Part；
The testing tube road is provided with left slide valve and right slide valve；
The left slide valve and the right slide valve are respectively provided with left flashboard and right flashboard；
Flexible structure is respectively provided at the docking of the left flashboard and the right flashboard；
When pipeline is tested described in the left flashboard and the right flashboard Butt sealing, the test steel wire be clipped in the left flashboard with
Between the right flashboard, the flexible structure, for protecting the test steel wire from damage.
Preferably, the screw pump novel combination type decentralized wellhead, further includes：
Pulley fixed frame
The pulley fixed frame is connected with the test pipeline, for installing test sheave.
Preferably, the test pipeline, including：
Pipeline main body；
The pipeline main body, using four-way structure.
Preferably, the seal assembly, including：
Upper joint sleeve, fixed short circuit, blowout prevention pipe connector sleeves, seal plug, sealed packing and plug pressure cap；
The upper joint sleeve and the connection suitable for reading of the pipeline main body；
The connection suitable for reading of the fixed short circuit and the upper joint sleeve；
Connection blowout prevention pipe connector sleeves above the fixed short circuit；
The seal plug has centre bore, the connection suitable for reading with the fixed short circuit；
The plug pressure cap has centre bore, the connection suitable for reading with the seal plug；
Sealed packing is provided between the seal plug and the plug pressure cap.
Preferably, the left slide valve or the right slide valve, including：
Left flashboard or right flashboard, handwheel, pressure cap, connecting rod and valve body；
The valve body is connected with the left port or right output port of the pipeline main body；
The pressure cap is connected with the valve body；
The handwheel is connected with the connecting rod；
The connecting rod is connected with the left flashboard or the right flashboard.
Preferably, the left flashboard or the right flashboard, including：
Gasket and substrate；
The substrate is connected with the connecting rod；
The gasket using flexible material, is fixed on the substrate；
The gasket clamps the tested steel for being tested described in the left flashboard and the right flashboard Butt sealing during pipeline
Silk.
Preferably, the lower port of the pipeline main body is connected with oily nonyl component.
Preferably, the oily nonyl component, including：
Oil nonyl, lower oily nonyl, oily nonyl pipe nipple and sealing ring；
The nonyl that oils is connected respectively with the pipeline main body and the oily nonyl pipe nipple；
The lower oily nonyl is connected with the oily nonyl pipe nipple；
The sealing ring is connected to described oil between nonyl and the pipeline main body.
Preferably, oilhole in the pipeline main body is set, there is lubricating oil cap on the oilhole.
Beneficial effects of the present invention：
The test method of the types wells such as the 1st, perfect eccentrie helical totorpump realizes whole seal-off pressure data admission, has reached conjunction
Manage the purpose of test；
2nd, environmental pollution caused by deflating not only has been prevented in test process, simultaneously because accurate measure stream pressure data early period, has carried
The high accuracy of data interpretation result；
3rd, recover the wait of stabilization time during stream pressure admission due to reducing, further shorten the testing time, improve work
Efficiency and instrument effective rate of utilization；
4th, stream pressure data early period can be accurately measured, reduces the wait for recovering stabilization time during stream pressure admission, year reduction stops surveying
When time is about 480 small；
5th, combined type eccentric wellhead device can also promote and apply on traditional eccentric pumping unit, due to part well bias blowout prevention valve
Door internal shutter stripper rubber aging, damage, when test, easily crush steel wire, the situation that steel wire fits badly occur, using this
Device can be accomplished effectively to seal, and substitute the application of decentralized wellhead, have preferable promotion prospect.
Description of the drawings
By below with reference to description of the attached drawing to the embodiment of the present invention, the above and other purposes of the present invention, feature and
Advantage is apparent, in the accompanying drawings：
Fig. 1 is a kind of dimensional structure diagram of screw pump novel combination type decentralized wellhead of the embodiment of the present invention.
Fig. 2 is the sectional view of Fig. 1.
Fig. 3 is the dimensional structure diagram of the pipeline main body of the embodiment of the present invention.
Fig. 4 be the embodiment of the present invention flashboard assembly in substrate dimensional structure diagram.
Specific embodiment
Below based on embodiment, present invention is described, but what deserves to be explained is, the present invention is not limited to these realities
Apply example.Below to the present invention datail description in, it is detailed to describe some specific detail sections.However, for not detailed
The part described to the greatest extent, those skilled in the art can also understand the present invention completely.
In addition, it should be understood by one skilled in the art that the attached drawing provided simply to illustrate that the purpose of the present invention,
Feature and advantage, attached drawing are not to be actually drawn to scale.
Meanwhile unless the context clearly requires otherwise, otherwise throughout the specification and claims " comprising ", "comprising" etc.
Similar word should be construed to the meaning included rather than exclusive or exhaustive meaning；That is, it is " including but not limited to "
Meaning.
Fig. 1 is a kind of dimensional structure diagram of screw pump novel combination type decentralized wellhead of the embodiment of the present invention.Fig. 2 is
The sectional view of Fig. 1.As shown in Fig. 1 combinations Fig. 2：A kind of screw pump novel combination type decentralized wellhead, including testing pipeline, the test
There are one pipeline main bodys 8 for pipeline tool.
Fig. 3 is the dimensional structure diagram of pipeline main body in the embodiment of the present invention.As shown in Figure 3：The pipeline main body 8, is adopted
It is four-way structure.
Further, in fig. 1 and 2, the upper port of pipeline main body 8 is threaded with seal assembly；The seal assembly,
Including：
Upper joint sleeve 19, fixed short circuit 20, blowout prevention pipe connector sleeves 21, seal plug 22, sealed packing 23 and plug pressure cap 24；
Wherein upper joint sleeve 19 and the connection suitable for reading of pipeline main body 8；
The connection suitable for reading of fixed short circuit 20 and upper joint sleeve 19；
Fixed 20 top connection blowout prevention pipe connector sleeves 21 of short circuit；
Seal plug 22 has centre bore, the connection suitable for reading with fixed short circuit 20；
Plug pressure cap 24 has centre bore, the connection suitable for reading with seal plug 22；
Sealed packing 23 is provided between seal plug 22 and plug pressure cap 24.
Further, in fig. 1 and 2, screw pump novel combination type decentralized wellhead further includes pulley fixed frame 15；
The pulley fixed frame 15 is connected in pipeline main body 8, it is necessary to when testing, and test sheave is inserted into the pulley fixed frame 15.
Further, in fig. 1 and 2, the both sides port of pipeline main body 8 connects left slide valve and right slide valve respectively.
Left slide valve is identical with the Nomenclature Composition and Structure of Complexes of right slide valve, specifically includes：
Flashboard assembly, handwheel 1, pressure cap 2, connecting rod 3 and valve body 6；
Valve body 6 is threadedly coupled with the left port or right output port of pipeline main body 8；
Pressure cap 2 is connected with valve body 6；
Handwheel 1 is connected with connecting rod 3；
Connecting rod 3 is connected with flashboard assembly.
Further, in fig. 1 and 2, flashboard assembly, including：
Gasket 16 and substrate 9.
Fig. 4 be the embodiment of the present invention flashboard assembly in substrate dimensional structure diagram.As shown in Fig. 4 combinations Fig. 2：It is close
Packing 16 is fixed on the upper surface of substrate 9 by fixing pin 17 and gasket 18, and the side of substrate 9 and connecting rod 3 are horizontal even
It connects.Gasket seal 16 is elastomer.When left flashboard assembly and right flashboard assembly dock, there is sky between left substrate and right substrate
Gap, left gasket and right gasket pairing.
Further, in fig. 1 and 2, the lower port of pipeline main body 8 is connected with oily nonyl component, which includes：
The nonyl that oils 11, lower oily nonyl 13, oily nonyl pipe nipple 12 and sealing ring 14；
The nonyl that oils 11 is connected respectively with pipeline main body 8 and oily nonyl pipe nipple 12；
Lower oil nonyl 13 is connected with oily nonyl pipe nipple；
Sealing ring 14, which is connected to, to oil between nonyl 11 and pipeline main body 8.
Further, in fig. 1 and 2, oilhole is set in pipeline main body 8, there is lubricating oil on the oilhole
Cap.
Specifically, with reference to Fig. 1 and Fig. 2, the application method of decentralized wellhead of the present invention is illustrated：
1st, in application, lower oily nonyl 13 is connected with blowout prevention valve, blowout prevention pipe connector sleeves 21 are connected with eccentric lubricator；
2nd, turn handwheel 1 clockwise drives substrate 9 to be moved to both sides by connecting rod 3, opens test pipeline；
3rd, test instrument to be measured being put into test pipeline, handwheel 1 at left and right sides of counter-clockwise turn so that flashboard assembly docks, this
When, the docking of gasket 16 clamps test steel wire and closes TCH test channel, and substrate 9 leaves gap when docking, because gasket 16 is bullet
Property body, and testing steel wire is passed through from the gap of two substrates 9, so test steel wire can be clamped and to tested steel
Silk causes to damage；
4th, blowout prevention pipe connector sleeves 21 are unloaded, remove eccentric lubricator, tighten seal plug 22, plug pressure cap 24 is adjusted and suitably compresses
Test sheave is inserted into pulley fixed frame 15 by sealed packing 23, up time needle open test open flow valve handle 1, left substrate and
Right substrate separation, test pipeline are opened, and adjust plug pressure cap 24, it is ensured that the smooth G.I.H of test equipment；Due to hermetical testing
Not caused by emptying, down-hole pressure system changes, and pressure bomb directly enrolls stationary flow pressure, reduces stream pressure and recovers steady
The wait fixed time；
5th, it is opposite with decentralization process operation that process is played on instrument.
Embodiment described above only expresses embodiments of the present invention, and description is more specific and detailed, but can not
Therefore it is interpreted as the limitation to the scope of the claims of the present invention.It should be pointed out that those skilled in the art,
On the premise of not departing from present inventive concept, several deformations, equal replacement can also be made, improved etc., these belong to the present invention
Protection domain.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (9)
1. a kind of screw pump novel combination type decentralized wellhead, which is characterized in that including：
Test pipeline；
The test pipeline, lower port are connected with screw bolt well test valve, and upper port is removably connected with sealing group
Part；
The testing tube road is provided with left slide valve and right slide valve；
The left slide valve and the right slide valve are respectively provided with left flashboard and right flashboard；
Flexible structure is respectively provided at the docking of the left flashboard and the right flashboard；
When pipeline is tested described in the left flashboard and the right flashboard Butt sealing, the test steel wire be clipped in the left flashboard with
Between the right flashboard, the flexible structure, for protecting the test steel wire from damage.
2. screw pump novel combination type decentralized wellhead according to claim 1, which is characterized in that new group of the screw pump
Box-like decentralized wellhead, further includes：
Pulley fixed frame
The pulley fixed frame is connected with the test pipeline, for installing test sheave.
3. screw pump novel combination type decentralized wellhead according to claim 1, which is characterized in that the test pipeline, bag
It includes：
Pipeline main body；
The pipeline main body, using four-way structure.
4. screw pump novel combination type decentralized wellhead according to claim 1, which is characterized in that the seal assembly, bag
It includes：
Upper joint sleeve, fixed short circuit, blowout prevention pipe connector sleeves, seal plug, sealed packing and plug pressure cap；
The upper joint sleeve and the connection suitable for reading of the pipeline main body；
The connection suitable for reading of the fixed short circuit and the upper joint sleeve；
Connection blowout prevention pipe connector sleeves above the fixed short circuit；
The seal plug has centre bore, the connection suitable for reading with the fixed short circuit；
The plug pressure cap has centre bore, the connection suitable for reading with the seal plug；
Sealed packing is provided between the seal plug and the plug pressure cap.
5. screw pump novel combination type decentralized wellhead according to claim 1, which is characterized in that the left slide valve or institute
Right slide valve is stated, including：
Left flashboard or right flashboard, handwheel, pressure cap, connecting rod and valve body；
The valve body is connected with the left port or right output port of the pipeline main body；
The pressure cap is connected with the valve body；
The handwheel is connected with the connecting rod；
The connecting rod is connected with the left flashboard or the right flashboard.
6. screw pump novel combination type decentralized wellhead according to claim 5, which is characterized in that the left flashboard or described
Right flashboard, including：
Gasket and substrate；
The substrate is connected with the connecting rod；
The gasket using flexible material, is fixed on the substrate；
The gasket clamps the tested steel for being tested described in the left flashboard and the right flashboard Butt sealing during pipeline
Silk.
7. screw pump novel combination type decentralized wellhead according to claim 3, which is characterized in that under the pipeline main body
Port is connected with oily nonyl component.
8. screw pump novel combination type decentralized wellhead according to claim 7, which is characterized in that the oil nonyl component, bag
It includes：
Oil nonyl, lower oily nonyl, oily nonyl pipe nipple and sealing ring；
The nonyl that oils is connected respectively with the pipeline main body and the oily nonyl pipe nipple；
The lower oily nonyl is connected with the oily nonyl pipe nipple；
The sealing ring is connected to described oil between nonyl and the pipeline main body.
9. screw pump novel combination type decentralized wellhead according to claim 3, which is characterized in that set in the pipeline main body
Oilhole is put, there is lubricating oil cap on the oilhole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711259216.XA CN108119088A (en) | 2017-12-04 | 2017-12-04 | Screw pump combined eccentric well head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711259216.XA CN108119088A (en) | 2017-12-04 | 2017-12-04 | Screw pump combined eccentric well head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108119088A true CN108119088A (en) | 2018-06-05 |
Family
ID=62228739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711259216.XA Pending CN108119088A (en) | 2017-12-04 | 2017-12-04 | Screw pump combined eccentric well head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108119088A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2729310Y (en) * | 2004-02-09 | 2005-09-28 | 刘军成 | Ring space testing device for screw pump |
| CN2771467Y (en) * | 2004-12-26 | 2006-04-12 | 中国石化胜利油田有限公司海洋石油开发公司 | Screw pump well repair operation blow-out preventer |
| CN201232535Y (en) * | 2008-08-01 | 2009-05-06 | 马冬兰 | Eccentric wellhead double pulley blowout prevention blowout preventer |
| CN201835784U (en) * | 2010-06-24 | 2011-05-18 | 大庆石油管理局 | Well head eccentric testing device for direct-drive screw pump wells |
| CN105863548A (en) * | 2016-05-16 | 2016-08-17 | 徐秀 | Blowout preventer of wellhead of well logging instrument |
| CN106545309A (en) * | 2015-09-21 | 2017-03-29 | 中国石油天然气股份有限公司 | Eccentric wellhead assembly |
| WO2017087320A1 (en) * | 2015-11-16 | 2017-05-26 | Cameron International Corporation | Apparatus and method for monitoring valve operation |
-
2017
- 2017-12-04 CN CN201711259216.XA patent/CN108119088A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2729310Y (en) * | 2004-02-09 | 2005-09-28 | 刘军成 | Ring space testing device for screw pump |
| CN2771467Y (en) * | 2004-12-26 | 2006-04-12 | 中国石化胜利油田有限公司海洋石油开发公司 | Screw pump well repair operation blow-out preventer |
| CN201232535Y (en) * | 2008-08-01 | 2009-05-06 | 马冬兰 | Eccentric wellhead double pulley blowout prevention blowout preventer |
| CN201835784U (en) * | 2010-06-24 | 2011-05-18 | 大庆石油管理局 | Well head eccentric testing device for direct-drive screw pump wells |
| CN106545309A (en) * | 2015-09-21 | 2017-03-29 | 中国石油天然气股份有限公司 | Eccentric wellhead assembly |
| WO2017087320A1 (en) * | 2015-11-16 | 2017-05-26 | Cameron International Corporation | Apparatus and method for monitoring valve operation |
| CN105863548A (en) * | 2016-05-16 | 2016-08-17 | 徐秀 | Blowout preventer of wellhead of well logging instrument |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20190211643A1 (en) | Assembly and Method for Monitoring Position of Blowout Preventer Rams | |
| CA2839161C (en) | Shoulder yielding detection during tubular makeup | |
| US9725983B2 (en) | Electromagnetic oil pipe plugger | |
| EA016632B1 (en) | Seal for a drill string | |
| US20200332647A1 (en) | Method for accurately measuring reopening pressure of hydraulic fracturing induced fracture in deep borehole | |
| US8727020B2 (en) | Frac adapter for wellhead | |
| US10337971B2 (en) | Condition-based monitoring for materials in wellbore applications | |
| CN105452602B (en) | Sponge pressure equalization system | |
| CN204344115U (en) | A kind of tubing and casing looks for the omission of examination to seal system | |
| CN107956443A (en) | Adaptive membrane type shale gas and rock core pressurize sealed sampler | |
| CN105257281A (en) | Method for detecting casing leakage | |
| CN103063467A (en) | Rotary pressure valve undisturbed soil sampler | |
| US7219736B1 (en) | Externally testable redundant connections for subsea wells | |
| US9328607B2 (en) | Explosion-proof magnetic flux leakage inspection apparatus for well tubing | |
| NO20014701L (en) | Method and apparatus for open-hole testing of underground wells | |
| CN204944764U (en) | Preventer hermetic seal test unit | |
| CN108119088A (en) | Screw pump combined eccentric well head | |
| US5563336A (en) | Appparatus for pressure testing of tubulars | |
| CN103806872B (en) | A kind of control oil guiding device for marine oil and gas blowout | |
| US10309858B2 (en) | Quick test sub coiled tubing connector | |
| CN104373116B (en) | Online continuous monitoring sampling protecting device for external oil-water well casing pressure | |
| CN105221107A (en) | Differential opening valve | |
| CN105221101A (en) | Test cover and leak packer | |
| CN203025002U (en) | Rotating pressure valve type undisturbed soil sampler | |
| CN208686376U (en) | Preventer examines pressure testing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180605 |
|
| RJ01 | Rejection of invention patent application after publication |