CN205638421U - Underground annulus testing device - Google Patents
Underground annulus testing device Download PDFInfo
- Publication number
- CN205638421U CN205638421U CN201620373797.4U CN201620373797U CN205638421U CN 205638421 U CN205638421 U CN 205638421U CN 201620373797 U CN201620373797 U CN 201620373797U CN 205638421 U CN205638421 U CN 205638421U
- Authority
- CN
- China
- Prior art keywords
- test device
- duct
- hole annular
- core pipe
- ring
- 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.)
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Links
- 238000012360 testing method Methods 0.000 title claims abstract description 73
- 210000002445 nipple Anatomy 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 17
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 4
- 229920001971 elastomer Polymers 0.000 claims description 4
- 229910052731 fluorine Inorganic materials 0.000 claims description 4
- 239000011737 fluorine Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 5
- 239000011148 porous material Substances 0.000 abstract 4
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010795 Steam Flooding Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 229920002449 FKM Polymers 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- XQCFHQBGMWUEMY-ZPUQHVIOSA-N Nitrovin Chemical compound C=1C=C([N+]([O-])=O)OC=1\C=C\C(=NNC(=N)N)\C=C\C1=CC=C([N+]([O-])=O)O1 XQCFHQBGMWUEMY-ZPUQHVIOSA-N 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- HCDGVLDPFQMKDK-UHFFFAOYSA-N hexafluoropropylene Chemical compound FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model provides an annular testing arrangement in pit, it is equipped with a connecting seat, the connecting seat is equipped with a runner that link up along vertical direction, its be adjacent to one side of runner is formed with a pore, the pore link up in the up end of connecting seat reaches terminal surface down, it can pivoted core pipe to place one in the pore, the lateral surface of core pipe with seal mutually between the inner wall in pore, its upper end is connected with the test valve through an oil pipe nipple joint. The utility model discloses an annular testing arrangement in pit had both satisfied the demand of oil jacket annular testing, had simplified overall structure and concrete operation process again.
Description
Technical field
This utility model belongs to technical field of petroleum extraction, relates to a kind of down-hole annular test device.
Background technology
During thickened oil recovery, generally using steam drive oil production mode, high temperature and high pressure steam carries amount of heat by thick
Oil viscosity reduction, to reach the purpose of thickened oil recovery.For research oil-layer characteristic, under conditions of test oil well normally produces at any time, each life
The display section of payzone or interval output condition, i.e. production profile, understand the Production development of oil well, determine the ginseng that reasonably works
Number, it is thus achieved that optimal production effect, needs to carry out test job in steam-drive process, specifically includes: the product to oil jacket annular space
Liquid section is tested, and the parameter of test includes: the average density of produced fluid amount, moisture content, well temperature, pressure and fluid
Deng, wherein, under existing annular, annulus testing device structurally uses three-layer pipe structure, respectively body, eccentric body and core
Body, can rotate between core body and eccentric body, can rotate between eccentric body and body, which adds the complicated journey of structure
Degree, complex operation, it is unfavorable for promoting the use of of scene, functional reliability is poor.
In view of this, the design people, according to being engaged in the production design experiences of this area and association area for many years, develops one
Plant down-hole annular test device, to solving the problem that prior art exists.
Utility model content
The purpose of this utility model is to be to provide a kind of down-hole annular test device, has both met oil jacket annulus logging
Demand, in turn simplify overall structure and specific operation process.
To this end, the utility model proposes a kind of down-hole annular test device, it is provided with a connecting seat, and described connection seat is along perpendicular
Nogata is to being provided with a through runner, and it is formed with a duct adjacent to the side of described runner, and described duct runs through described
Connecting upper surface and the lower surface of seat, be placed with a core pipe that can rotate in described duct, the lateral surface of described core pipe is with described
Sealing mutually between the inwall in duct, its upper end is connected with test valve by a tubing nipple.
Down-hole annular test device as above, wherein, is provided with multiple along institute between described core pipe and described duct
Stating the sealing ring that the axially spaced-apart of core pipe is arranged, described sealing ring is embedded on the lateral surface of described core pipe, itself and described duct
Inwall contact.
Down-hole annular test device as above, wherein, described sealing ring is fluorine rubber ring.
Down-hole annular test device as above, wherein, the lateral surface of described core pipe is arranged with thrust ball bearing, described
Thrust ball bearing is positioned at described duct.
Down-hole annular test device as above, wherein, the lateral surface of described core pipe is formed with a ring shoulder, described duct
Inside being formed with a shoulder corresponding with described ring shoulder, described shoulder is positioned at the downside of described ring shoulder, described thrust ball bearing position
Between described ring shoulder and described shoulder.
Down-hole annular test device as above, wherein, described duct is inclined to set, and it is relative to described runner
3 °～5 ° of angle of inclination.
Down-hole annular test device as above, wherein, is provided with a test valve silk at the upper port of described test valve
Stifled.
Down-hole annular test device as above, wherein, is additionally provided with a pressure ring, and described pressure ring is positioned over described connection seat
Upper surface, and be spirally connected fixing with the described seat that is connected.
Down-hole annular test device as above, wherein, connects at the upper port of described runner and has a vertical tube, described perpendicular
Free end and a polished rod sealer of pipe are connected.
Down-hole annular test device as above, wherein, the lateral wall of described connection seat is provided with one and radially puts
The bump joint put, the inner chamber of described bump joint is connected with described runner, and its port is provided with a valve.
The down-hole annular test device that the utility model proposes, reliable operation, safety is high, and it simplifies existing annulus logging
Wellhead assembly and operating process, meeting on oil jacket annulus logging Demand Base, solving test line and asking that oil pipe is wound around
Topic, meanwhile, connects polished rod sealer by vertical tube, no matter oil pipe normally work or disconnected de-in the case of, can be to oil pipe
Seal, can also short time inner sealing well head during as occurred unexpected disconnected de-, it is to avoid unexpected occur.
Accompanying drawing explanation
Fig. 1 is the composition structural representation of down-hole annular of the present utility model test device.
Fig. 2 is that the use of down-hole annular of the present utility model test device is with reference to figure.
Main element label declaration:
1 connects seat 11 runner
12 duct 121 shoulders
13 pressure ring 14 vertical tubes
15 bump joint 16 valves
2 core pipe 21 tubing nipples
22 sealing ring 23 thrust ball bearings
24 ring shoulder 3 test valves
31 test valve plug 4 polished rod sealers
α angle of inclination
Detailed description of the invention
In order to technical characteristic of the present utility model, purpose and effect are more clearly understood from, now comparison accompanying drawing explanation
Detailed description of the invention of the present utility model:
Fig. 1 is the composition structural representation of down-hole annular of the present utility model test device.Fig. 2 is well of the present utility model
The use of lower annulus testing device is with reference to figure.
Seeing Fig. 1, the down-hole annular test device that the utility model proposes, it is provided with a connecting seat 1, described connection seat 1
Vertically being provided with a through runner 11, it is formed with a duct 12, described duct adjacent to the side of described runner 11
12 upper surface running through described connection seat 1 and lower surfaces, are placed with a core pipe 2 that can rotate, described core in described duct 12
Seal mutually between the lateral surface of pipe 2 and the inwall in described duct 12, it is to avoid during work fluid from gap leakage between the two to
Ground, causes environmental pollution and unnecessary economic loss, and the upper end of described core pipe 2 is by a tubing nipple 21 and test valve
3 are connected, after this utility model is installed on well head, when carrying out test jobs, by test valve 3 and core pipe 2, and can be by well
Lower annulus testing device and test line are transferred to down-hole, convenient and practical, and by the rotation of core pipe 2, can drive test line
Circumferentially displaced in down-hole, it is to avoid it is wound around with oil pipe, as the specific works principle of this test valve, owing to it is existing skill
Art, does not repeats them here.
Wherein, the close of multiple axially spaced-apart setting along described core pipe 2 it is provided with between described core pipe 2 and described duct 12
Seal 22, described sealing ring 22 is embedded on the lateral surface of described core pipe 2, and it contacts with the inwall in described duct 12.Due to
Sealing ring high resilience and resilience, have suitable mechanical strength in use and (include tensile strength, percentage elongation and anti tear
Intensity etc.), when described core pipe 2 rotates in duct 12, sealing ring will not be made to damage, it is ensured that the reliability of sealing.
It is preferred that described sealing ring 22 is fluorine rubber ring, described fluorine rubber ring circle, i.e. viton seal ring, it is ethylene
The sealing ring that the copolymer of base fluoride and hexafluoropropene is made, possesses the anti-flammability of excellence, air-tightness, high temperature resistant, resistance to
Oil, solvent resistant, resistance to combustion, chemically-resistant thing and the character of weatherability, can better meet the needs of underground work.
Rotate to make described core pipe 2 be more convenient for, in a preferred embodiment, be the outside surface cover at described core pipe 2
Being provided with thrust ball bearing 23, described thrust ball bearing 23 is positioned at described duct 12.When specifically assembling, it is first by this thrust ball
On the lateral surface being set in described core pipe 2 of bearing 23, then enter down in described duct 12 with described core pipe 2.Due to thrust
Ball bearing can bear axial load, when core pipe 2 described in put-on and delegated, will not damage described thrust ball bearing.
It is preferred that the lateral surface of described core pipe 2 is formed with a ring shoulder 24, it is formed with one in described duct 12 and takes on described ring
24 corresponding shoulders 121, described shoulder 121 is positioned at the downside of described ring shoulder 24, and described thrust ball bearing 23 is positioned at described ring
Between shoulder 24 and described shoulder 121, to position described thrust ball bearing.
As it can be seen, described duct 12 is inclined to set, it is 3 °～5 ° relative to the tilt angle alpha of described runner 11,
In other words, the angle between central axis and the central axis of described runner 11 in described duct 12 is 3 °～5 °, so, and can be more
Effectively solve pipeline and be wound around problem, better than the effect vertically arranging duct, it can also avoid described test valve 3
When rotating with core pipe 2 with other component interference.
It addition, be provided with a test valve plug 31 at the upper port of described test valve 3, when not carrying out test jobs, keep away
Exempt from dust etc. and fall into described test valve 3, suitable cleanliness factor can be kept.
Referring to Fig. 1, be additionally provided with a pressure ring 13, described pressure ring 13 is positioned over the upper surface of described connection seat 1, and with described
Connect seat 1 and be spirally connected fixing.In the embodiment more optimized, also can correspond to a recessed ring in the lower surface of described connection seat 1
Groove, this annular groove is connected with the lower end of described runner 11 and duct 12, so, when described connection seat is installed on well head, can be with
The upper port of well head forms a cavity, convenient use.
A vertical tube 14, the free end of described vertical tube 14 and a light is had as in figure 2 it is shown, connect at the upper port of described runner 11
Rod sealer 4 is connected.Operationally, it is by under this lower going-into-well such as polished rod sealer 4 and vertical tube 14 by oil pipe, no matter just
Often work or oil pipe disconnected de-in the case of, oil pipe can be sealed by this polished rod sealer 4, as occur unexpected disconnected de-time also
Can short time inner sealing well head, it is to avoid unexpected occur.
Further, the lateral wall of described connection seat 1 is provided with a bump joint 15 radially placed, described flange
The inner chamber of joint 15 is connected with described runner 11, and its port the mode such as is bolted and is provided with a valve 16.Work as institute
State oil pipe when there is the fault such as disconnected de-, open described valve 16, can be by the fluid of down-hole extraction by connecting at this valve 16
Pipeline transfers out, it is ensured that the carrying out of normal oil producing operation.
The down-hole annular test device that the utility model proposes, is the side that described connection seat 1 passes through such as Flange joint
Formula is installed at well head, and oil pipe is then by, under described polished rod sealer 4, vertical tube 13 and runner 11 lower going-into-well, carrying out
Normal oil producing operation；
When test job, first unload described test valve plug 31, and open described test valve 3, such TCH test channel
Open, by described test valve 3, core pipe 2, by effusion meter, thermodetector or piezometer etc. (as concrete instrument type, according to survey
Depending on examination needs) test instrunment and test line, in the lump in the oil jacket annular space under lower going-into-well, test job can be carried out, wherein,
In test process, if test line is wound around with oil pipe, the test line position relative to oil pipe can be regulated with rotary core pipe 2
Put, to solve winding problem.
The foregoing is only the schematic detailed description of the invention of this utility model, be not limited to model of the present utility model
Enclose.Any those skilled in the art, equivalent done on the premise of without departing from design of the present utility model and principle becomes
Change and amendment, the scope of this utility model protection all should be belonged to.
Claims (10)
1. a down-hole annular test device, it is characterised in that described down-hole annular test device is provided with a connecting seat, described company
Joint chair is vertically provided with a through runner, and it is formed with a duct adjacent to the side of described runner, and described duct is passed through
Lead in the upper surface of described connection seat and lower surface, in described duct, be placed with a core pipe that can rotate, the outside of described core pipe
Sealing mutually between face and the inwall in described duct, its upper end is connected with test valve by a tubing nipple.
2. down-hole annular test device as claimed in claim 1, it is characterised in that arrange between described core pipe and described duct
Having the sealing ring that multiple axially spaced-apart along described core pipe is arranged, described sealing ring is embedded on the lateral surface of described core pipe, its
Contact with the inwall in described duct.
3. down-hole annular test device as claimed in claim 2, it is characterised in that described sealing ring is fluorine rubber ring.
4. the down-hole annular test device as described in claim 1 or 3, it is characterised in that the lateral surface of described core pipe is arranged with
Thrust ball bearing, described thrust ball bearing is positioned at described duct.
5. down-hole annular test device as claimed in claim 4, it is characterised in that the lateral surface of described core pipe is formed with a ring
Shoulder, be formed in described duct one with the described ring corresponding shoulder of shoulder, described shoulder is positioned at the downside that described ring is takeed on, described in push away
Power ball bearing is between described ring shoulder and described shoulder.
6. the down-hole annular test device as described in claim 1 or 5, it is characterised in that described duct is inclined to set, its phase
3 °～5 ° of the angle of inclination for described runner.
7. down-hole annular test device as claimed in claim 6, it is characterised in that be provided with at the upper port of described test valve
One test valve plug.
8. down-hole annular test device as claimed in claim 7, it is characterised in that being additionally provided with a pressure ring, described pressure ring is placed
In the upper surface of described connection seat, and it is spirally connected fixing with the described seat that is connected.
9. the down-hole annular test device as described in claim 1 or 8, it is characterised in that connect at the upper port of described runner
Having a vertical tube, free end and a polished rod sealer of described vertical tube are connected.
10. down-hole annular test device as claimed in claim 9, it is characterised in that arrange on the lateral wall of described connection seat
Having a bump joint radially placed, the inner chamber of described bump joint is connected with described runner, and its port is provided with one
Valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620373797.4U CN205638421U (en) | 2016-04-28 | 2016-04-28 | Underground annulus testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620373797.4U CN205638421U (en) | 2016-04-28 | 2016-04-28 | Underground annulus testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205638421U true CN205638421U (en) | 2016-10-12 |
Family
ID=57061708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620373797.4U Active CN205638421U (en) | 2016-04-28 | 2016-04-28 | Underground annulus testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205638421U (en) |
-
2016
- 2016-04-28 CN CN201620373797.4U patent/CN205638421U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |