CN109236271A - A kind of wireline logging underground pushing device - Google Patents
A kind of wireline logging underground pushing device Download PDFInfo
- Publication number
- CN109236271A CN109236271A CN201810981725.1A CN201810981725A CN109236271A CN 109236271 A CN109236271 A CN 109236271A CN 201810981725 A CN201810981725 A CN 201810981725A CN 109236271 A CN109236271 A CN 109236271A
- Authority
- CN
- China
- Prior art keywords
- telescoping ram
- device assembly
- main body
- pin
- telescoping
- 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
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- 229910000851 Alloy steel Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000010791 quenching Methods 0.000 claims description 3
- 230000000171 quenching effect Effects 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 229910000639 Spring steel Inorganic materials 0.000 claims 1
- 238000007789 sealing Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 5
- 239000000523 sample Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000001464 adherent effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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
- E21B47/00—Survey of boreholes or wells
Landscapes
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Geophysics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention discloses a kind of wireline logging underground pushing devices, including eccentric device assembly (1) and telescoping ram main body (2)；Wherein, one end of telescoping ram main body (2) is machined with a fixed pin holes (201), the other end is machined with the pin slide slot (202) an of strip, eccentric device assembly (1) is mounted on telescoping ram main body (2), one end is fixed at fixed pin holes (201) by the first pin shaft (3), and the other end is fixed at pin slide slot (202) by the second pin shaft (4).The present invention is used to reduce the use of electronic component, motor, sealing ring, hydraulic component, to improve telescoping ram in the reliability of underground.
Description
Technical field
The present invention relates to a kind of oil well logging instrument equipment, and in particular to a kind of wireline logging underground pushing device.
Background technique
Logger can be divided into instrument on downhole instrument and well according to application scenarios difference.The instrument having in downhole instrument
Device is in order to guarantee the accuracy of log data, and test surface needs to be close to as far as possible borehole wall, such as lithology and density logging probe etc., this will
The instrument back side is asked to apply thrust, usually this downhole instrument device for applying back thrust is referred to as telescoping ram.Conventional side at present
Method is to assemble lithology and density logging probe on telescoping ram, realizes the function of back thrust by supporting walls by reverse push.But
With the intensification of depth of exploration, drills wellbore and gradually become smaller, and the temperature, pressure index of underground is constantly increasing, logger
Vacating space is needed to meet the design requirement of pressure high-temp resistant.In this case, current telescoping ram can not meet
Oil field production needs.
Common telescoping ram is broadly divided into two kinds, one is rotating that lead screw is driven to rotate by circuit control motor, so
Connecting rod is pulled by the lead screw combination of rotation afterwards, linkage movement is driven by connecting rod, it is this to push away to provide back thrust
It is known as mechanical pusher by device.Another kind is that hydraulic device is flexible to drive linkage by a set of hydraulic device of circuit control
Movement, provides back thrust, this telescoping ram is known as hydraulic sidewall contact device.
At present the shortcomings that both telescoping rams:
1. backup outer diameter is both greater than 120mm, it is impossible to be used in slim-hole well logging；
2. components are various, assembly process is complicated, it has not been convenient to safeguard；
3. there is movable sealing structure, there are the risks of sealing ring breakage in well logging；
4. having circuit control part, the easy break-down in the high temperature and high pressure environment of underground.
Summary of the invention
The purpose of the present invention is to provide a kind of wireline logging underground pushing device, for reduce electronic component, motor,
The use of sealing ring, hydraulic component, to improve telescoping ram in the reliability of underground.
The present invention adopts the following technical scheme that realize:
A kind of wireline logging underground pushing device, including eccentric device assembly and telescoping ram main body；Wherein,
One end of telescoping ram main body is machined with a fixed pin holes, and the other end is machined with the pin slide of a strip
Slot, eccentric device assembly are mounted in telescoping ram main body, and one end is fixed at fixed pin holes by the first pin shaft, and the other end passes through
Second pin shaft is fixed at pin slide slot.
A further improvement of the present invention lies in that eccentric device assembly includes spring bow plate, and it is connected to the spring bow
Two connecting plates of board ends are machined with the through-hole for connecting with pin shaft on each connecting plate.
A further improvement of the present invention lies in that spring bow plate is using after steel spring plate machine-shaping and by quenching technical
Reason.
A further improvement of the present invention lies in that eccentric device assembly further include be arranged in it is wear-resisting at spring bow plate outer side center
Block.
A further improvement of the present invention lies in that wear-resistant block is processed into using hard alloy Steel material.
A further improvement of the present invention lies in that in use, a telescoping ram is respectively connected with up and down in target instrument, to ensure
It is reliable that target instrument pastes the borehole wall.
A further improvement of the present invention lies in that the telescoping ram outer diameter is not more thanLength is no longer than 1100mm.
The present invention has following beneficial technical effect:
1) present invention can provide the back thrust for making target instrument be close to the borehole wall；
2) telescoping ram function is realized using relatively simple spring bow plate frame mode, not the use of electronic component,
There is no movable sealing structure, improves the heat resisting and pressure resisting performance of telescoping ram；
3) ensure that telescoping ram outer diameter is not more than by structure innovationLength is no longer than 1100mm, can be preferably
Adapt to the adherent demand of slim-hole radioactive instrument well logging；
4) replaceable abrasion-resistant block structure is increased on spring bow plate, extends the telescoping ram service life.
Detailed description of the invention
Fig. 1 is a kind of main view of wireline logging underground pushing device of the present invention.
Fig. 2 is a kind of top view of wireline logging underground pushing device of the present invention.
Fig. 3 is a kind of cross-sectional view of wireline logging underground pushing device of the present invention.
Fig. 4 is the main view of the eccentric device assembly of the present invention.
Fig. 5 is the top view of the eccentric device assembly of the present invention.
Fig. 6 is the schematic diagram that the present invention applies in well logging.
In figure: 1- bias device assembly, 2- telescoping ram main body, the first pin shaft of 3-, the second pin shaft of 4-, 5- simulate well, 6- density
Probe；
101- spring bow plate, 102- wear-resistant block, 103- connecting plate, 201- fixed pin holes, 202- pin slide slot.
Specific embodiment
The present invention is made further instructions below in conjunction with attached drawing.
A kind of wireline logging underground pushing device provided by the invention, the telescoping ram is mainly by eccentric device assembly 1, telescoping ram
Main body 2, the first pin shaft 3 and the second pin shaft 4 composition.
Working principle description:
As shown in Figure 1 to Figure 3, telescoping ram of the present invention is to be broadly divided into two large divisions, and first is most of for bias
Device assembly 1, second is most of for telescoping ram main body 2.One end in telescoping ram main body 2 is machined with a fixed pin holes 201, separately
One end is machined with the pin slide slot 202 an of strip.Eccentric device assembly 1 is mounted in telescoping ram main body 2, one end is logical
It is fixed to cross the first pin shaft 3, the other end is fixed by the second pin shaft 4.During practical logging, eccentric 1 one end of device assembly along
The rotation of first pin shaft 3, the other end slide in the pin slide slot of the strip in telescoping ram main body 2 along the second pin shaft 4, partially
Heart device assembly 1 can generate thrust in this motion process, guarantee that telescoping ram main body 4 is close to the borehole wall.
As shown in Figure 4 and Figure 5, eccentric device assembly 1 is mainly made of spring bow plate 101, wear-resistant block 102 and connecting plate 103.
Spring bow plate 101 is handled using after steel spring plate machine-shaping and by quenching technical, it is ensured that bends the elastic toughness of plate.It is going into the well
In the process, it is ceaselessly rubbed due to spring bow plate 101 with the borehole wall larger to bow plate loss, the present invention devises 102 knot of wear-resistant block
Structure, wear-resistant block 102 are processed into using hard alloy Steel material, have high wear-resisting property, effectively the borehole wall can be avoided to bullet
Spring bends the abrasion of plate 101, extends 101 service life of spring bow plate, while wear-resistant block 102 and spring bow plate 101 are connected using screw
It connects, replacement is convenient at the scene, easy to operate.
As shown in fig. 6, usually respectively connecting a sheet up and down in target instrument for the schematic diagram that the present invention applies in well logging
The telescoping ram provided is invented, to ensure that the target instrument patch borehole wall is reliable.Target instrument and telescoping ram are arranged in simulation well 5,
Density probe 6 is additionally provided in the target instrument.
Claims (7)
1. a kind of wireline logging underground pushing device, which is characterized in that including eccentric device assembly (1) and telescoping ram main body (2)；Its
In,
One end of telescoping ram main body (2) is machined with a fixed pin holes (201), and the pin shaft that the other end is machined with a strip is sliding
Dynamic slot (202), eccentric device assembly (1) are mounted on telescoping ram main body (2), and one end is fixed on fixation by the first pin shaft (3)
At pin hole (201), the other end is fixed at pin slide slot (202) by the second pin shaft (4).
2. a kind of telescoping ram with latch plate according to claim 1, which is characterized in that eccentric device assembly (1) includes bullet
Spring bends plate (101), and is connected to two connecting plates (103) at spring bow plate (101) both ends, each connecting plate
(103) through-hole for connecting with pin shaft is machined on.
3. a kind of telescoping ram with latch plate according to claim 2, which is characterized in that spring bow plate (101) uses bullet
It is handled after spring steel plate machine-shaping and by quenching technical.
4. a kind of telescoping ram with latch plate according to claim 2, which is characterized in that eccentric device assembly (1) further includes
Wear-resistant block (102) at spring bow plate (101) outer side center is set.
5. a kind of telescoping ram with latch plate according to claim 2, which is characterized in that wear-resistant block (102) uses hard
Alloy steel material is processed into.
6. a kind of telescoping ram with latch plate according to claim 2, which is characterized in that in use, in target instrument
Under be respectively connected with a telescoping ram, with ensure target instrument patch the borehole wall it is reliable.
7. a kind of telescoping ram with latch plate according to claim 2, which is characterized in that the telescoping ram outer diameter is not more thanLength is no longer than 1100mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810981725.1A CN109236271A (en) | 2018-08-27 | 2018-08-27 | A kind of wireline logging underground pushing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810981725.1A CN109236271A (en) | 2018-08-27 | 2018-08-27 | A kind of wireline logging underground pushing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109236271A true CN109236271A (en) | 2019-01-18 |
Family
ID=65069228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810981725.1A Pending CN109236271A (en) | 2018-08-27 | 2018-08-27 | A kind of wireline logging underground pushing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109236271A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110295863A (en) * | 2019-07-03 | 2019-10-01 | 王少斌 | A kind of double-deck eight arms telescoping ram |
| CN114183128A (en) * | 2022-01-20 | 2022-03-15 | 武汉海阔科技有限公司 | Single-arm eccentric caliper |
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| US20060064889A1 (en) * | 2004-09-30 | 2006-03-30 | Schlumberger Technology Corporation | Borehole caliper tool |
| US20080291048A1 (en) * | 2007-05-21 | 2008-11-27 | Baker Hughes Incorporated | Use of flexible member for borehole diameter measurement |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110295863A (en) * | 2019-07-03 | 2019-10-01 | 王少斌 | A kind of double-deck eight arms telescoping ram |
| CN110295863B (en) * | 2019-07-03 | 2021-07-20 | 王少斌 | Double-layer eight-arm sidewall contact device |
| CN114183128A (en) * | 2022-01-20 | 2022-03-15 | 武汉海阔科技有限公司 | Single-arm eccentric caliper |
| CN114183128B (en) * | 2022-01-20 | 2024-04-19 | 武汉海阔科技有限公司 | Single-arm eccentric caliper |
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| 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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190118 |