CN2806762Y - Double-probe eccentering arm - Google Patents
Double-probe eccentering arm Download PDFInfo
- Publication number
- CN2806762Y CN2806762Y CNU2005200087285U CN200520008728U CN2806762Y CN 2806762 Y CN2806762 Y CN 2806762Y CN U2005200087285 U CNU2005200087285 U CN U2005200087285U CN 200520008728 U CN200520008728 U CN 200520008728U CN 2806762 Y CN2806762 Y CN 2806762Y
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- piston
- cylinder
- probe
- biprobe
- sidewall contact
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Abstract
The utility model relates to a double-probe telescoping ram, which relates to the telescoping ram which can be fixed at a downhole position in an oil field, particularly a telescoping ram witch a probe which can suck in stratum liquid. The utility model is composed of a body structure, supporting and assembling components which are installed on the body structure, and assembling components of the probe, wherein the two supporting and assembling components which are arranged side by side, are arranged at one side of the body structure; the two assembling components of the probe, which are arranged side by side, are arranged at the other side of the body structure. The supporting and assembling components and the assembling components of the probe are all piston cylinder bodies. In the utility model, the two supporting and assembling components and the two assembling components of the probe are respectively arranged at both sides of the body structure side by side, and all the components are the piston cylinder bodies; the utility model has uniform stress, and thus a downhole supporting structure of the utility model is stable. Probes are arranged on the assembling components of the probe so downhole sampling work can be simultaneously carried out.
Description
Technical field
The utility model relate to use on a kind of oil field can be at the telescoping ram of a certain fixed-site in down-hole, particularly a kind of probe telescoping ram that can suck stratum liquid that has.
Background technology
Telescoping ram is the important component part in the oil reservoir logging instrument, when logger moves in the down-hole, its sampler backup borehole wall or gathering such as can will pop one's head in reliably in the optional position, down-hole, thus desired signal gathered, realize liquid sampling and monitoring to the stratum.But telescoping ram majority in the prior art all is the single armed telescoping ram, thereby fulcrum is few, and the down-hole braced structures is stable inadequately, and it is also unreliable to move; In the present in addition downhole instrument; probe waits sampler and telescoping ram to be arranged for dividing; be used; and in order to make actual collection effect better; being connected, being synchronized with the movement and to carry out complicated matching design for telescoping ram and sampler; can not only utilize simple connection to cooperate, also will repeatedly adjust the location usually in actual use, thereby telescoping ram is all bigger with the operation easier that is connected in design and the work of sampler.
Summary of the invention
Be to solve the problem that prior art exists, the utility model provides a kind of Biprobe sidewall contact device, and it has solved existing telescoping ram and has been not suitable for matching with sampler, and existing telescoping ram moves insecure problem.
Biprobe sidewall contact device of the present utility model is by agent structure and be installed on the agent structure and be supported on the support assemblies assembly 4 on the borehole wall in the down-hole and can be supported on the borehole wall equally and probe load module 5 that probe is installed is formed, two support assemblies assemblies 4 that are arranged side by side are installed in a side of agent structure, two probes load module 5 that is arranged side by side is installed in the opposite side of agent structure, and described support assemblies assembly 4 and probe load module 5 are piston/cylinder.
The utility model in the both sides of agent structure respectively side by side be provided with two support assemblies assemblies 4 and probe load module 5, and each assembly is piston/cylinder because it is stressed more permanent, so it is more stable in the down-hole braced structures.Owing in probe load module 5, probe is installed, therefore can carries out well sampling work simultaneously.In addition, because the load module 5 of two probes is arranged, another can also work on when a sampling probe stops up.That the utility model also has is simple in structure, reliable in action, the advantage being convenient to operate.
Description of drawings
Fig. 1 is the general structure schematic diagram of the utility model specific embodiment, and Fig. 2 is the structural representation of support assemblies assembly 4 among Fig. 1, and Fig. 3 is the structural representation of probe load module 5 among Fig. 1.
The specific embodiment
Below in conjunction with accompanying drawing and with best embodiment the utility model is done detailed explanation:
Consult Fig. 1, described Biprobe sidewall contact device is by agent structure and be installed on the agent structure and be supported on the support assemblies assembly 4 on the borehole wall in the down-hole and can be supported on the borehole wall equally and probe load module 5 that sampling probe is installed is formed, two support assemblies assemblies 4 that are arranged side by side are installed in the downside of agent structure, two probes load module 5 that is arranged side by side is installed in the upside of agent structure, and described support assemblies assembly 4 and probe load module 5 are piston/cylinder.Described agent structure is made of main matrix 1 and the following over cap 2 and the last over cap 3 that are installed in main matrix 1 upper and lower sides respectively.Over cap up and down can be connected with main matrix 1 by screw.The piston of support assemblies assembly 4 and probe load module 5 opens and withstands on the borehole wall during work, realizes the fixing action in down-hole.
Consult Fig. 2, described support assemblies assembly 4 by the piston/cylinder 4-12 of fixedlying connected with agent structure, be installed in piston/cylinder 4-12 end bottom 4-5, be arranged on piston/cylinder 4-12 inner and can be along the flexible intermediate piston body 4-14 of piston/cylinder 4-12, to be arranged on intermediate piston body 4-14 inner and can form to same direction flexible piston rod 4-3 and top cover 4-1 along intermediate piston body 4-14.On the outer wall of intermediate piston body 4-14 and piston rod 4-3, be respectively installed with piston rod packing circle 4-2 and intermediate sealing ring 4-7.In the outer end of piston rod 4-3 top cover 4-1 is installed, top cover 4-1 is threaded with piston rod 4-3, and its effect is the contact area that increases the piston rod and the borehole wall.
On the wall of piston/cylinder 4-12 and intermediate piston body 4-14, be respectively arranged with first and reclaim the oilhole 4-15 and the second recovery oilhole 4-16, first reclaims oilhole 4-15 and is connected with external series gap 4-18 between the piston/cylinder 4-12 at the intermediate piston body 4-14 below the intermediate sealing ring 4-7, second two ends of reclaiming oilhole 4-16 are connected with internal clearance 4-19 between the piston rod 4-3 with external series gap 4-18 with at the intermediate piston body 4-14 below the piston rod packing circle 4-2 respectively, also be provided with the first sealing ring 4-6 in the position that is positioned on the intermediate piston body 4-14 below the internal clearance 4-19, also be provided with the second sealing ring 4-10 in the position that is positioned on the piston/cylinder 4-12 below the external series gap 4-18; On the wall of piston/cylinder 4-12, also be provided with and open oilhole 4-17, open oilhole 4-17 and intermediate piston body 4-14 top and be connected, the gap of logical oil is arranged between the top perimeter of piston rod 4-3 and the bottom 4-5 with gap between the bottom 4-5.The outer wall of bottom 4-5 and piston/cylinder 4-12 is provided with joint ring.By opening the oilhole oil-feed intermediate piston body and piston rod are opened respectively during work; By reclaiming the oilhole oil-feed, piston rod and intermediate piston body are reclaimed.The support assemblies assembly 4 of present embodiment is the piston rod of employing and the stretching structure of intermediate piston body bilayer, therefore bigger collapsing length can be arranged, and the while can also make the telescoping ram compact conformation after the contraction.In application, also the intermediate piston body can be set, only adopt piston rod flexible.
Consult Fig. 3, described probe load module 5 includes the bottom cylinder 5-1 fixing with agent structure, be arranged on bottom cylinder 5-1 inner and can be along the flexible intermediate piston cylinder 5-5 of bottom cylinder 5-1, to be arranged on intermediate piston cylinder 5-5 inner and can be along intermediate piston cylinder 5-5 to the flexible probe piston 5-20 of same direction, form with fixing fluid pickup tube 5-3, bottom cylinder fixed cap 5-6, strainer 5-12 and the packer 5-14 of bottom cylinder.Probe piston 5-20 is connected with fluid pickup tube 5-3, and the outer wall of intermediate piston cylinder 5-5 is provided with intermediate piston cylinder joint ring 5-4, and the outer wall of probe piston 5-20 is provided with two-layer probe piston packing ring 5-18.Intermediate piston cylinder 5-5 is installed in the cylinder 5-1 of bottom by bottom cylinder fixed cap 5-6.On the cylinder fixed cap 5-6 of bottom, have and make bottom cylinder fixed cap and intermediate piston cylinder 5-5 keep the bottom cylinder fixed cap joint ring of sealing.
Be provided with strainer 5-12 at fluid pickup tube 5-3 with probe piston 5-20 connection, the big end of strainer 5-12 is positioned at probe piston 5-20, small end is inserted in the fluid pickup tube 5-3, the filter bores 5-31 that strip is arranged on the wall of the big end of strainer 5-12, the liquid after on the midfeather of strainer the filtration of making being arranged injects the refluxing opening 5-32 of fluid pickup tube.Being respectively arranged with on fluid pickup tube 5-3 and probe piston 5-20 makes both keep the first joint ring 5-10 and the second joint ring 5-19 that seals.During work, the probe piston sucks liquid in borehole wall soil layer, is derived by fluid pickup tube 5-3 after the soil process strainer filtering in the liquid.
Outer end at probe piston 5-20 is set with packer 5-14, and an end of described packer 5～14 is connected with intermediate piston cylinder 5-5.The other end of described packer 5-14 has the convex edge of annular, has on the convex edge and convex edge die casting rubber pad together, and the projection of the annular that can contact with the borehole wall is arranged on this rubber pad.In when work, intermediate piston cylinder 5-5 opens and can promote packer with the borehole wall holds out against, and the probe piston opens and promotes its end and enter into the stratum and sample, and the rubber pad of the packer 5-14 piston of will pop one's head in seals on every side.
Have first to reclaim hydraulic fluid port 5-2 on the cylinder fixed cap 5-6 of bottom, first reclaims hydraulic fluid port 5-2 and intermediate piston cylinder joint ring 5-4 is connected with gap between the cylinder fixed cap joint ring of bottom.On intermediate piston cylinder 5-5, have with first reclaim that hydraulic fluid port 5-2 communicates second reclaim hydraulic fluid port 5-7, second reclaim hydraulic fluid port 5-7 also with two-layer probe piston packing ring 5-18 between the gap be connected.On the cylinder 5-1 of bottom, the hydraulic fluid port of opening 5-8 is arranged, the described inner end of hydraulic fluid port 5-8 and intermediate piston cylinder 5-5 that opens is connected with gap between the cylinder 5-1 of bottom, and the gap that makes open oil stream flow direction probe top land is arranged between intermediate piston cylinder 5-5 and fluid pickup tube 5-3.By opening the hydraulic fluid port oil-feed intermediate piston cylinder and probe piston are opened at work, intermediate piston cylinder and probe piston are reclaimed by reclaiming the hydraulic fluid port oil-feed.The through hole 5-21 that the fluid that having on the cylinder 5-1 of bottom is connected with fluid pickup tube makes suction is derived.
Claims (9)
1, Biprobe sidewall contact device, it is characterized in that: it is by agent structure and be installed on the agent structure and be supported on the support assemblies assembly (4) on the borehole wall in the down-hole and can be supported on the borehole wall equally and probe load module (5) that sampling probe is installed is formed, two the support assemblies assemblies (4) that are arranged side by side are installed in a side of agent structure, two the probe load modules (5) that are arranged side by side are installed in the opposite side of agent structure, and described support assemblies assembly (4) and probe load module (5) are piston/cylinder.
2, Biprobe sidewall contact device as claimed in claim 1 is characterized in that: described agent structure is by main matrix (1) and be installed in the following over cap (2) of main matrix (1) both sides respectively and last over cap (3) constitutes.
3, Biprobe sidewall contact device as claimed in claim 1, it is characterized in that: described support assemblies assembly (4) comprises the piston/cylinder (4-12) of fixedlying connected with agent structure, be installed in the bottom (4-5) of piston/cylinder (4-12) end, being arranged on piston/cylinder (4-12) inside also can be along the flexible intermediate piston body (4-14) of piston/cylinder (4-12), be arranged on intermediate piston body (4-14) inside and can on the outer wall of intermediate piston body (4-14) and piston rod (4-3), be respectively installed with piston rod packing circle (4-2) and intermediate sealing ring (4-7) along intermediate piston body (4-14) to the flexible piston rod (4-3) of same direction.
4, Biprobe sidewall contact device as claimed in claim 3 is characterized in that: in the outer end of piston rod (4-3) top cover (4-1) is installed.
5, as claim 3 or 4 described Biprobe sidewall contact devices, it is characterized in that: on the wall of piston/cylinder (4-12) and intermediate piston body (4-14), be respectively arranged with the first recovery oilhole (4-15) and second that piston rod (4-3) and intermediate piston body (4-14) are shunk and reclaim oilhole (4-16); The wall of piston/cylinder (4-12) is provided with and makes piston rod (4-3) and the open oilhole (4-17) that opens of intermediate piston body (4-14).
6, Biprobe sidewall contact device as claimed in claim 1, it is characterized in that: described probe load module (5) includes and the fixing bottom cylinder (5-1) of agent structure, being arranged on bottom cylinder (5-1) inside also can be along the flexible intermediate piston cylinder (5-5) of bottom cylinder (5-1), being arranged on intermediate piston cylinder (5-5) inside also can be along intermediate piston cylinder (5-5) to the flexible probe piston (5-20) of same direction, with the fixing fluid pickup tube (5-3) of bottom cylinder, probe piston (5-20) is connected with fluid pickup tube (5-3), the outer wall of intermediate piston cylinder (5-5) is provided with intermediate piston cylinder joint ring (5-4), and the outer wall of probe piston (5-20) is provided with probe piston packing ring (5-18).
7, Biprobe sidewall contact device as claimed in claim 6 is characterized in that: be provided with strainer (5-12) in fluid pickup tube (5-3) and probe piston (5-20) connection.
8, Biprobe sidewall contact device as claimed in claim 6 is characterized in that: the outer end at probe piston (5-20) is set with packer (5-14), and an end of described packer (5-14) is connected with intermediate piston cylinder (5-5).
9, Biprobe sidewall contact device as claimed in claim 8 is characterized in that: the other end of described packer (5-14) has the convex edge of annular, has on the convex edge and convex edge die casting rubber pad together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200087285U CN2806762Y (en) | 2005-03-18 | 2005-03-18 | Double-probe eccentering arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200087285U CN2806762Y (en) | 2005-03-18 | 2005-03-18 | Double-probe eccentering arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2806762Y true CN2806762Y (en) | 2006-08-16 |
Family
ID=36921063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005200087285U Expired - Fee Related CN2806762Y (en) | 2005-03-18 | 2005-03-18 | Double-probe eccentering arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2806762Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105275460A (en) * | 2015-10-16 | 2016-01-27 | 中国石油天然气集团公司 | FDT modular double-probe formation tester and test system |
| CN112523716A (en) * | 2019-08-29 | 2021-03-19 | 中石化石油工程技术服务有限公司 | Downhole low-permeability stratum packer and application method thereof |
-
2005
- 2005-03-18 CN CNU2005200087285U patent/CN2806762Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105275460A (en) * | 2015-10-16 | 2016-01-27 | 中国石油天然气集团公司 | FDT modular double-probe formation tester and test system |
| CN105275460B (en) * | 2015-10-16 | 2018-06-01 | 中国石油天然气集团公司 | A kind of FDT modulars dual probe formation tester and test system |
| CN112523716A (en) * | 2019-08-29 | 2021-03-19 | 中石化石油工程技术服务有限公司 | Downhole low-permeability stratum packer and application method thereof |
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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: 20060816 Termination date: 20130318 |