CN2073474U - Monitor on ground for measuring pressure of stratum - Google Patents
Monitor on ground for measuring pressure of stratum Download PDFInfo
- Publication number
- CN2073474U CN2073474U CN90218848U CN90218848U CN2073474U CN 2073474 U CN2073474 U CN 2073474U CN 90218848 U CN90218848 U CN 90218848U CN 90218848 U CN90218848 U CN 90218848U CN 2073474 U CN2073474 U CN 2073474U
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- China
- Prior art keywords
- holding wire
- cup
- short circuit
- sealer
- joint
- 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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Abstract
The utility model discloses a monitor on ground for measuring pressure of stratum in oilfield, which is that a vibratory subtense pressure meter 8 is arranged on the pressure meter 4 of a testing tubular column; the upper end and the lower end of a tester 6 are provided with the sealers (7 and 10) of a signal line 9; a butt-joint signal contact device 11 is arranged on the sealer 10; a signal contact head 12 is suspended above the contact device 11; the contact head is connected with a secondary monitor on ground for measuring through the signal line. The utility model is adopted, the condition of variation in pressure of the underground test stratum can be accurately knew in time through the secondary monitor on ground; in order to reasonably establish the working system for opening and closing well, the data can be provided, and the explain of the parameter of the oil layer is carried out.
Description
The utility model relates to the monitoring device that a kind of formation testing pressure signal is transferred to ground, and it belongs to modern well testing technology device.
Formation testing, general process is: be lowered to structure dst technology tubing string as shown in Figure 2, use packer (2,5) the upper and lower interface of difference oil-separating layer perforated interval, by terrestrial operation tubing string (rotation or put-on and delegated) multithread test device 6 is opened, carried out underground open and close well, the reservoir flowing pressure that drives a well by pressure gauge 4 records and the recovery pressure curve of closing well, pass through interpretation process at last, thereby obtain the various parameter data of test oil reservoir the pressure gauge card.In test process, the selection of the working system time of closing well (drive a well) is the well head demonstration situation decision during according to result of log interpretation and on-the-spot test.But ground can't be grasped the pressure changing of oilbearing stratum exactly, tends to distribute the improper test data that causes inaccurate because of the time of switch well, or therefore fails.
The purpose of this utility model is to avoid above-mentioned weak point of the prior art and provides a kind of in the formation testing process, at any time grasp the formation pressure situation of change intuitively by ground, thereby reasonably carry out the formation testing pressure ground monitoring device of open and close well time distribution.
The purpose of this utility model can reach by following technical measures: put taut wire pressure gauge 8 at existing test string on pressure gauge 4; On the tester, the sealer (7,10) of underlying holding wire 9; Suspention signal contact head 12 on the sealer 11, contact head is connected with ground monitoring secondary meter 14 with holding wire; Other parts (8,7,10,11) also connect with holding wire or pass.Wherein: contact head 12 is that to establish the two ends that short circuit 16, insulation material short circuit 17 and homogeneity taper joint 19 that clamp 21 snaps in taper fishing head 15 and be threaded form on holding wire be that taper, body portion are in the cylinder component, simultaneously, be screwed into the bolt feeler lever 20 of band awl cap from joint 19 lower ends, feeler lever and internal signal wire are for being electrically connected.Butt joint signal contactor 11 is along on the short circuit cup 29 that axial uniform arc-shaped through-hole 31 is arranged on the wall body, is seated in insulation material cup 32; The hole that the short circuit cup two ends upper and lower joint (28,30) that is threaded, two glasss (29,32) have holding wire to pass at the bottom of the cup; At 32 li seats of interior cup the round conductor contact 13 that is electrically connected with holding wire is arranged, fill the heavy insulating oil in the cup; In lower contact 30 in the short circuit cup at 29 the end center welding receive neck cover 34, have sealer to tighten sealing between it and the holding wire that passes with pressure cap.The holding wire sealer is the bottle 26 that welds and be communicated with on tube column, has sealer to tighten sealing with pressure cap between bottle neck and the quilt holding wire that passes; Bottle upper and lower has bottle guide way 27 on tubing string, guide way has the holding wire gathering sill in the bottle side on it.
The purpose of this utility model can also reach by following technical measures: have and external through hole mutually 23 on above-mentioned short circuit 17 walls, contactor end has nut 22.Short circuit cup 29, and joint ring 33 is arranged between upper and lower joint.
The utility model has following effect compared to existing technology:
Adopt this device, can pass through secondary meter on the ground, understand the situation of change of underground test layer position pressure timely and accurately, reasonably carry out determining of open and close well working system, make formation testing obtain comparatively ideal best card, to carry out the explanation of reservoir parameter.On test string, taut wire pressure gauge 8 is as changing-over electric initiation perforating bullet device, and ground monitoring secondary meter changing-over electric initiation igniter can be carried out the electric initiation perforation of " combined operation of perforation and testing " to down-hole oil reservoir well section, improves the perforation success rate effectively.
Accompanying drawing 1 is test string structure and ground monitoring secondary meter connection diagram;
Accompanying drawing 2 is prior art test string configuration diagram;
Accompanying drawing 3 is to ignite perforation tubular column structure diagrammatic sketch;
Accompanying drawing 4 is that signal contact head 12 half cuts open configuration diagram on Fig. 1;
Accompanying drawing 5 is that the sealer (7,10) of holding wire 9 on Fig. 1 partly cuts open configuration diagram;
Below in conjunction with accompanying drawing will the utility model is described in further detail:
Prior art formation testing tubing string as shown in Figure 2, it by plug 1, anchor packer 2, screen casing 3, mechanical manometer 4, cut off packer 5 and MFE multithread test device 6 is formed.As shown in Figure 1, two packers (2,5) packing test oil reservoir upper and lower interface is being put taut wire pressure gauge 8 on mechanical manometer 4 between two packers, and it is as the sensor of downhole testing formation pressure; On the tester 6, the sealer (7,10) of underlying holding wire 9; Put butt joint signal contactor 11 on the sealer 10; With holding wire suspention (in the oil pipe) signal contact head 12, be connected with ground monitoring secondary meter 14 on the contactor 11 with holding wire; Test string upper-part (8,7,10,11) is with holding wire 9 connections or pass (can adopt the armored cable line).Above-mentioned contact head 12 as shown in Figure 4, it introduces the down-hole to holding wire to test string through oil pipe; It is to establish on holding wire in short circuit 16, insulation material short circuit 17 and the homogeneity taper joint 19 that clamp 21 snaps in taper fishing head 15 and be threaded, and the holding wire that constitutes two ends and be taper body portion cylindricality is introduced contact; Be screwed into the bolt feeler lever 20 of band awl cap in contact head 12 lower ends, feeler lever 20 is electrically connected with internal signal wire, and wherein 18 is signal line end welding things; The feeler lever end of thread can be fixed on the joint 19 with nut 22; Short circuit 17 connects to be in joint 19 to be had on the wall body and external through hole mutually 23.For make holding wire butt joint good, to external insulation, designed and docked signal contactor 11 as shown in Figure 6, it is along on the short circuit cup 29 that axial uniform arc-shaped through-hole 31 is arranged on the wall body, be seated in insulation material cup 32, the short circuit cup 29 two ends upper and lower joint (28 that is threaded, 30), two glasss (29,32) hole of having holding wire to pass at the bottom of the cup; At 32 li seats of interior cup the round conductor contact 13 that is electrically connected with holding wire 9 is arranged, fill definitely oil of heavy in the cup; In lower contact 30 in the short circuit cup at 29 the end center welding receive neck cover 34, between it and the holding wire that passes copper ring 36 and joint ring 35 are arranged, tighten sealing with pressure cap 37; Be provided with joint ring 33 between short circuit cup 29 and upper and lower joint (28,30), arc-shaped through-hole is communicated with upper and lower joint on the short circuit cup; The bar that interior cup 32 height outlines are longer than feeler lever 20 is long, to guarantee that pressure signal passes to contact head 12 in the sealed insulation environment.For holding wire is drawn in tubing string, modelled signal linear sealing device (7,10); It is the bottle 26 that welds and be communicated with on tubing string, draws or introduce holding wire, has joint ring and copper ring 25 usefulness pressure caps 24 to tighten sealing between bottle neck and the quilt holding wire that passes; Bottle upper and lower has bottle guide way 27 on tubing string, in the bottle side holding wire gathering sill is arranged on the guide way on it.
Design this test string by oil reservoir, send into the down-hole with tubing string and estimate layer position, introduce the down-hole from ground the holding wire that is connected to contact head 12 from well head again, connect secondary meter 14 on ground, just the pressure changing of tested layer position under the monitor well at any time.On test string, taut wire pressure gauge 8 is as changing-over electric initiation perforating bullet device, and secondary meter changing-over electric initiation igniter in ground can be carried out perforation to down-hole oil reservoir well section.
Claims (3)
1, a kind of by plug 1, anchor packer 2, screen casing 3, mechanical manometer 4, cut off the test string that packer 5 and MFE multithread test device 6 form and be used for formation testing pressure ground monitoring device, it is characterized in that: on pressure gauge 4, put taut wire pressure gauge 8 at test string; On the tester 6, the sealer (7,10) of underlying holding wire 9; Put butt joint signal contactor 11 on the sealer 10; Suspention signal contact head 12 on the contactor 11, contact head is connected with ground monitoring secondary meter 14 with holding wire 9; Other parts (8,7,10,11) also connect with holding wire 9 or pass; Wherein:
A. contact head 12, it is to establish on the holding wire 9 in introducing well in short circuit 16, insulation material short circuit 17 and the homogeneity taper joint 19 that clamp 21 snaps in taper fishing head 15 and be threaded, be screwed into the bolt feeler lever 20 of band tapered cap from joint 19 lower ends, feeler lever 20 is electrically connected with internal signal wire;
B. dock signal contactor 11, it is along on the short circuit cup 29 that axial uniform arc-shaped through-hole 31 is arranged on the wall body, is seated in insulation material cup 32, the short circuit cup 29 two ends upper and lower joint (28,30) that is threaded, two glasss of holes that (29,32) have holding wire to pass at the bottom of cup; Sitting in interior cup has the round conductor contact 13 that is electrically connected with holding wire 9, fills the heavy insulating oil in the cup; In lower contact 30, weld receipts neck cover 34 at 29 the end, and sealer (35,36) is arranged between the holding wire that passes, tighten sealing with pressure cap 37 in the short circuit cup;
C. holding wire sealer (7,10), it is welding and the bottle 26 that is communicated with on tube column, has sealer to tighten sealing with pressure cap 24 between bottle neck and the quilt holding wire that passes; Bottle 26 upper and lower has guide way 27 on tubing string, guide way has the holding wire gathering sill in the bottle side on it.
2, formation testing pressure ground monitoring device as claimed in claim 1, it is characterized in that: external phase through hole 23 is arranged on short circuit 17 walls, and the feeler lever end has nut 22.
3, formation testing pressure ground monitoring device as claimed in claim 1 is characterized in that: between short circuit cup 29 and upper and lower joint joint ring 33 is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN90218848U CN2073474U (en) | 1990-08-29 | 1990-08-29 | Monitor on ground for measuring pressure of stratum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN90218848U CN2073474U (en) | 1990-08-29 | 1990-08-29 | Monitor on ground for measuring pressure of stratum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2073474U true CN2073474U (en) | 1991-03-20 |
Family
ID=4897600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN90218848U Withdrawn CN2073474U (en) | 1990-08-29 | 1990-08-29 | Monitor on ground for measuring pressure of stratum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2073474U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1059011C (en) * | 1997-11-03 | 2000-11-29 | 江苏石油勘探局 | Multifunctional full-path ground directly-reading tester |
| CN1325757C (en) * | 2003-08-01 | 2007-07-11 | 中国石油天然气股份有限公司 | Layer testing technology and apparatus for loose sand gas-field gas-production well oil-casing |
| CN105443113A (en) * | 2014-08-29 | 2016-03-30 | 中国石油天然气股份有限公司 | Testing string for gas storage |
| CN109653714A (en) * | 2017-10-11 | 2019-04-19 | 中国石油天然气股份有限公司 | Multilayer formation testing tubing string and formation testing method |
-
1990
- 1990-08-29 CN CN90218848U patent/CN2073474U/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1059011C (en) * | 1997-11-03 | 2000-11-29 | 江苏石油勘探局 | Multifunctional full-path ground directly-reading tester |
| CN1325757C (en) * | 2003-08-01 | 2007-07-11 | 中国石油天然气股份有限公司 | Layer testing technology and apparatus for loose sand gas-field gas-production well oil-casing |
| CN105443113A (en) * | 2014-08-29 | 2016-03-30 | 中国石油天然气股份有限公司 | Testing string for gas storage |
| CN109653714A (en) * | 2017-10-11 | 2019-04-19 | 中国石油天然气股份有限公司 | Multilayer formation testing tubing string and formation testing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| 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 |