CN202000980U - Detection device capable of automatically switching oil inlets of two oil layers - Google Patents
Detection device capable of automatically switching oil inlets of two oil layers Download PDFInfo
- Publication number
- CN202000980U CN202000980U CN2011200849937U CN201120084993U CN202000980U CN 202000980 U CN202000980 U CN 202000980U CN 2011200849937 U CN2011200849937 U CN 2011200849937U CN 201120084993 U CN201120084993 U CN 201120084993U CN 202000980 U CN202000980 U CN 202000980U
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- oil
- outer sleeve
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- reading
- cylindrical shell
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Abstract
The utility model discloses a detection device capable of automatically switching the oil inlets of two oil layers. The device comprises an upper joint, an outer sleeve, a middle joint, an inner sleeve, a fixing valve assembly, a lower joint and a sealing ring, wherein an inner cavity of the lower joint is communicated with an axial oil inlet flow channel. The device is characterized in that: the lower part of the fixing valve assembly is provided with a two-layer oil inlet switching assembly; the oil inlets are formed on the side wall of the bottom of the two-layer oil inlet switching assembly; the side wall of the outer sleeve is provided with a radial oil inlet flow channel; and the upper end of the two-layer oil inlet switching assembly is rotationally connected with a reciprocating push sleeve. The detection device capable of automatically switching the oil inlets of the two oil layers is convenient to operate and reliable and flexible in operation, has a simple structure, can automatically switch the oil inlets of the two layers through vertical motion, and can improve labor efficiency.
Description
Technical field
The utility model relates to a kind of improvement of oil recovery checkout gear of different oil reservoirs, belongs to a kind of downhole tool in the oil recovery field, oil field, and specifically a kind of two-layer oil reservoir can be changed the checkout gear of oil-feed automatically.
Background technology
Popularization along with oil-field flooding technology, the frequent use of modification measures such as wellfracturing, cause that the string phenomenon is also very frequent mutually between the layer position, cause the complete water outlet in some layer position, there is not extraction value, can only a plurality of oil reservoirs be separated into some intervals by packer, comprise oil reservoir that water layer, oil content are few and exploitation oil reservoir etc.Do you but how to determine water layer, oil reservoir and exploitation oil reservoir that oil content is few? generally be the way that adopts pilot production, adopt under the envelope earlier, seal up again and adopt down, observe fuel-displaced situation, to determine the position of exploitation oil reservoir; Or repeatedly remove oil pipe and supporting packer is located the down-hole multi-section multi-layer by electronic.The deficiency that above way exists is: the operation inconvenience, and step is more loaded down with trivial details, and efficiency is low.Equally, the well logging sampling to multilayer position well on the oil field also is the method that adopts above-mentioned pilot production, certainly, also has same deficiency.
Summary of the invention
The purpose of this utility model be to provide a kind of easy to operate, simple in structure, two-layer oil-in can change automatically, reliable flexibly, and the two-layer oil reservoir that can raise labour efficiency can change the checkout gear of oil-feed automatically.
For reaching above purpose, the technical scheme that the utility model adopted is: this two-layer oil reservoir can be changed the checkout gear of oil-feed automatically, comprise top connection, outer sleeve, transition joint, inner sleeve, the standing valve assembly, lower contact and sealing ring constitute, the upper port of top connection and outer sleeve is connected by threaded engagement, inner sleeve is located in the outer sleeve, the standing valve assembly is located at the bottom in the inner sleeve, the lower port of the suitable for reading and outer sleeve of lower contact is connected by threaded engagement, the inner chamber of lower contact is connected with the axial fuel inlet runner, make on it by electronic, following motion, it is characterized in that: be provided with two-layer oil-in conversion assembly in the bottom of standing valve assembly, on the bottom sidewall of two-layer oil-in conversion assembly, be provided with oil-in, on the sidewall of outer sleeve, be provided with radially oil inlet passage, on the upper end of two-layer oil-in conversion assembly is rotationally connected, back and forth promote cover.
The utility model is also implemented by following measure: on described can the work, reciprocating down two-layer oil-in conversion assembly, by the rotation cylindrical shell, upper connecting barrel, the oil-feed tube, bearing, stir chute, stirring sliding pin and oil-in constitutes, the end opening of upper connecting barrel screws in rotation cylindrical shell suitable for reading, and connect by threaded engagement, in the end opening of the screw-in rotation cylindrical shell suitable for reading of oil-feed tube, and connect by threaded engagement, stir on the outer wall that chute is located at the rotation cylindrical shell, the inner termination of stirring sliding pin is stuck in stirs in the chute, the external end head of stirring sliding pin is fixed on the inwall of outer sleeve, bearing fixing is on upper connecting barrel suitable for reading, the end opening that back and forth promotes cover is connected with upper connecting barrel by bearing, the diapire of oil-feed tube is a cecum, and the diapire seat of oil-feed tube is on back-moving spring; Bottom at the oil-feed tube also is provided with sealing ring; Top in outer sleeve is provided with fairlead, the wall of fairlead is provided with the slot of two symmetries, in slot by bearing pin fixing on locking jaw, inboard, upper end at locking jaw is provided with spring, the outside, upper end at locking jaw is provided with the lock tooth, the lower end of fairlead and suitable for reading being connected that back and forth promotes cover; In transition joint, also be provided with the draining pin.
The beneficial effects of the utility model are: separate the method that detects of recovering the oil with present two oil reservoirs and compare, operation was both convenient, structure is simple again, and two-layer oil-in can changed in the upper and lower motion automatically by electronic the work, and reliable flexibly, and can raise labour efficiency.
Description of drawings
Fig. 1 is that axis of no-feathering of the present utility model is to office's cross-sectional schematic.
Fig. 2 is the schematic side view of the two-layer oil-in conversion of the utility model assembly.
Fig. 3 analyses and observe enlarged diagram for locking jaw of the present utility model.
The specific embodiment
Make the utility model with reference to Fig. 1, Fig. 2, Fig. 3.This two-layer oil reservoir can be changed the checkout gear of oil-feed automatically, comprise top connection 1, outer sleeve 2, transition joint 3, inner sleeve 4, standing valve assembly 5, lower contact 6 and sealing ring 7 constitute, top connection 1 is connected by threaded engagement with the upper port of outer sleeve 2, inner sleeve 4 is located in the outer sleeve 2, standing valve assembly 5 is located at the bottom in the inner sleeve 4, the lower port of the suitable for reading and outer sleeve 2 of lower contact 6 is connected by threaded engagement, the inner chamber of lower contact 6 is connected with axial fuel inlet runner 11, make on it by electronic, following motion, it is characterized in that: be provided with on the energy in the bottom of standing valve assembly 5, reciprocating down two-layer oil-in conversion assembly 8, on the bottom sidewall of two-layer oil-in conversion assembly 8, be provided with oil-in 9, on the sidewall of outer sleeve 2, be provided with radially oil inlet passage 10, under the idle state of motor drive mechanism, integral body is not done, following motion, radially the oil-in 9 on the bottom sidewall of the position of oil inlet passage 10 and two-layer oil-in conversion assembly 8 is corresponding, under the state of motor drive mechanism work, integral body is done, following motion, then by on the two-layer oil-in conversion assembly 8, the following reciprocating motion, realize that radially oil inlet passage 10 switches mutually with axial fuel inlet runner 11, on the upper end of two-layer oil-in conversion assembly 8 is rotationally connected, back and forth promote cover 12, by reciprocal promotion cover 12 realize two-layer oil-in conversion assembly 8 on, following motion.
As improvement of the present utility model, on described can the work, reciprocating down two-layer oil-in conversion assembly 8, by rotation cylindrical shell 8a, upper connecting barrel 8b, oil-feed tube 8c, bearing 8d, stir chute 8e, stir sliding pin 8f and oil-in 9 formations, the end opening of upper connecting barrel 8b screws in rotation cylindrical shell 8a suitable for reading, and connect by threaded engagement, in the end opening of the screw-in rotation cylindrical shell 8a suitable for reading of oil-feed tube 8c, and connect by threaded engagement, stir on the outer wall that chute 8e is located at rotation cylindrical shell 8a, the inner termination of stirring sliding pin 8f is stuck in stirs in the chute 8e, the external end head of stirring sliding pin 8f is fixed on the inwall of outer sleeve 2, bearing 8d is fixed on upper connecting barrel 8b suitable for reading, the end opening that back and forth promotes cover 12 is connected with upper connecting barrel 8b by bearing 8d, thereby make rotation cylindrical shell 8a stir sliding pin 8f along realizing rotation under the stirring of stirring chute 8e, the diapire of oil-feed tube 8c is a cecum, the diapire seat of oil-feed tube 8c is on back-moving spring 13, when reciprocal promotion overlaps 12 when up, under the effect of back-moving spring 13, make two-layer oil-in conversion assembly 8 up, thereby realized that the oil-in 9 on the two-layer oil-in conversion assembly 8 is up, align with the radially oil inlet passage 10 on outer sleeve 2 sidewalls, extract the upper strata oil reservoir; When under the effect that back and forth promotes cover 12 promotion downwards, when two-layer oil-in conversion assembly 8 is descending, oil-in 9 on the two-layer oil-in conversion assembly 8 is descending, stagger with the radially oil inlet passage 10 on outer sleeve 2 sidewalls, radially oil inlet passage 10 on shutoff outer sleeve 2 sidewalls is connected axial fuel inlet runner 11 simultaneously, axial fuel inlet runner 11 and the intracavity inter-connection that connects oil pipe down, realized the oil pumping of lower floor's oil, also be provided with sealing ring 8g in the bottom of oil-feed tube 8c; Top in outer sleeve 2 is provided with fairlead 14, the wall of fairlead 14 is provided with the slot 15 of two symmetries, in slot 15, fix locking jaw 17 by bearing pin 16, inboard, upper end at locking jaw 17 is provided with spring 18, the outside, upper end at locking jaw 17 is provided with lock tooth 19, the lower end of fairlead 14 and suitable for reading being connected that back and forth promotes cover 12, when in plunger inserts top connection 1, moving downwards, plunger push open locking jaw 17 pushing away fairlead 14 and back and forth promoting cover 12 descending, thereby it is descending to promote two-layer oil-in conversion assembly 8; When mentioning plunger, it is up with reciprocal promotion cover 12 just to drive fairlead 14, thereby two-layer oil-in conversion assembly 8 is up; In transition joint 3, also be provided with draining pin 20, leave pull bar when playing pump behind and sever draining pin 20 realization drainings.
Claims (2)
1. two-layer oil reservoir can be changed the checkout gear of oil-feed automatically, comprise top connection (1), outer sleeve (2), transition joint (3), inner sleeve (4), standing valve assembly (5), lower contact (6) and sealing ring (7) constitute, top connection (1) is connected by threaded engagement with the upper port of outer sleeve (2), inner sleeve (4) is located in the outer sleeve (2), standing valve assembly (5) is located at the bottom in the inner sleeve (4), the lower port of the suitable for reading and outer sleeve (2) of lower contact (6) is connected by threaded engagement, the inner chamber of lower contact (6) is connected with axial fuel inlet runner (11), it is characterized in that: be provided with and do in the bottom of standing valve assembly (5), reciprocating down two-layer oil-in conversion assembly (8), on the bottom sidewall of two-layer oil-in conversion assembly (8), be provided with oil-in (9), be provided with radially oil inlet passage (10) on the sidewall of outer sleeve (2), being rotationally connected in the upper end of two-layer oil-in conversion assembly (8) to go up back and forth promotes cover (12).
2. two-layer oil reservoir according to claim 1 can be changed the checkout gear of oil-feed automatically, it is characterized in that on described can the work, reciprocating down two-layer oil-in conversion assembly (8), by rotation cylindrical shell (8a), upper connecting barrel (8b), oil-feed tube (8c), bearing (8d), stir chute (8e), stirring sliding pin (8f) and oil-in (9) constitutes, the end opening of upper connecting barrel (8b) screws in rotation cylindrical shell (8a) suitable for reading, in the end opening of the screw-in rotation cylindrical shell suitable for reading (8a) of oil-feed tube (8c), stirring chute (8e) is located on the outer wall of rotation cylindrical shell (8a), the inner termination of stirring sliding pin (8f) is stuck in stirs in the chute (8e), the external end head of stirring sliding pin (8f) is fixed on the inwall of outer sleeve (2), bearing (8d) is fixed on upper connecting barrel (8b) suitable for reading, the end opening that back and forth promotes cover (12) is connected with upper connecting barrel (8b) by bearing (8d), and the diapire seat of oil-feed tube (8c) is on back-moving spring (13); Also be provided with sealing ring (8g) in the bottom of oil-feed tube (8c).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200849937U CN202000980U (en) | 2011-03-28 | 2011-03-28 | Detection device capable of automatically switching oil inlets of two oil layers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200849937U CN202000980U (en) | 2011-03-28 | 2011-03-28 | Detection device capable of automatically switching oil inlets of two oil layers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202000980U true CN202000980U (en) | 2011-10-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200849937U Expired - Fee Related CN202000980U (en) | 2011-03-28 | 2011-03-28 | Detection device capable of automatically switching oil inlets of two oil layers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202000980U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103089205A (en) * | 2013-01-23 | 2013-05-08 | 大庆纽斯达采油技术开发有限公司延安分公司 | Two-channel oil extraction switch |
| CN103104223A (en) * | 2013-02-05 | 2013-05-15 | 大庆纽斯达采油技术开发有限公司延安分公司 | Three-channel oil production switch |
| CN107288557A (en) * | 2017-07-20 | 2017-10-24 | 中国海洋石油总公司 | A kind of integrated flow string of changeable oil-extracting and water-injecting |
-
2011
- 2011-03-28 CN CN2011200849937U patent/CN202000980U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103089205A (en) * | 2013-01-23 | 2013-05-08 | 大庆纽斯达采油技术开发有限公司延安分公司 | Two-channel oil extraction switch |
| CN103089205B (en) * | 2013-01-23 | 2016-02-03 | 中庆能源工程技术有限公司 | Two-channel oil extraction switch |
| CN103104223A (en) * | 2013-02-05 | 2013-05-15 | 大庆纽斯达采油技术开发有限公司延安分公司 | Three-channel oil production switch |
| CN103104223B (en) * | 2013-02-05 | 2016-01-20 | 中庆能源工程技术有限公司 | Three-channel oil production switch |
| CN107288557A (en) * | 2017-07-20 | 2017-10-24 | 中国海洋石油总公司 | A kind of integrated flow string of changeable oil-extracting and water-injecting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111005 Termination date: 20120328 |