CN203929521U - Packing element sets visual test device - Google Patents

Packing element sets visual test device Download PDF

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Publication number
CN203929521U
CN203929521U CN201420268035.9U CN201420268035U CN203929521U CN 203929521 U CN203929521 U CN 203929521U CN 201420268035 U CN201420268035 U CN 201420268035U CN 203929521 U CN203929521 U CN 203929521U
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CN
China
Prior art keywords
packing
ring
pipe core
piston
assembly
Prior art date
Application number
CN201420268035.9U
Other languages
Chinese (zh)
Inventor
王增林
张福涛
安百新
魏新晨
张剑
任从坤
丛娟
杨柳
高立花
聂文龙
曲晓峰
Original Assignee
中国石油化工股份有限公司胜利油田分公司采油工艺研究院
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Priority to CN201420268035.9U priority Critical patent/CN203929521U/en
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Publication of CN203929521U publication Critical patent/CN203929521U/en

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Abstract

The utility model discloses packing element and set visual test device, comprise pipe core and be enclosed within successively the packing element assembly on pipe core from top to bottom and sit deblocking device, described packing element assembly top arranges a sealing joint of testing being enclosed within equally on pipe core, described packing element assembly outside is set with a tempered glass outer tube, described tempered glass outer tube upper end offer reaming connecting portion and by this reaming connecting portion with test sealing joint and be connected, lower end withstands on seat decapsulation and is set up, between described tempered glass outer tube and packing element assembly, form annular space, this annular space is communicated with the through central lumen of testing sealing joint.The utility model can intuitively reflect that packing element sets state, provides test basis for optimizing packing element structure and performance parameters.

Description

Packing element sets visual test device

Technical field

The utility model relates to oil gas water well down-hole packer packing element test instrument, and specifically packing element sets visual test device.

Background technology

Packer is to expand adjacent two oil reservoirs of packing by packing element, realizes the object of oil gas water well separate production and injection.Along with oil-field development developed to the middle and later periods, the oil-layer characteristic of oil gas water well and underground working more sophisticated, require more and more highlyer to the accurate hierarchical-development of oil gas water well, thus the sealing reliability after in packing element lower going-into-well is had higher requirement.

Summary of the invention

The purpose of this utility model is to provide packing element to set visual test device, can intuitively reflect that packing element sets state, provides test basis for optimizing packing element structure and performance parameters.

In order to reach above-mentioned purpose, the utility model has adopted following technical scheme, packing element sets visual test device, comprise pipe core and be enclosed within successively the packing element assembly on pipe core from top to bottom and sit deblocking device, described packing element assembly top arranges a sealing joint of testing being enclosed within equally on pipe core, described packing element assembly outside is set with a tempered glass outer tube, described tempered glass outer tube upper end offer reaming connecting portion and by this reaming connecting portion with test sealing joint and be connected, lower end withstands on seat decapsulation and is set up, between described tempered glass outer tube and packing element assembly, form annular space, this annular space is communicated with the through central lumen of testing sealing joint.

Described seat deblocking device comprises lock sleeve, upper piston, lower piston, pushing rod sleeve, described lock sleeve empty set is in pipe core outside, the plunger shaft inner sleeve forming between lock sleeve and pipe core has piston assembly, piston assembly comprises upper piston, lower piston, pushing rod sleeve is set on upper piston, pushing rod sleeve top withstands on packing element assembly bottom, offers the through hole that is communicated with plunger shaft on described lock sleeve.

Described seat deblocking device also comprises lock ring, lock ring cover, described lock ring is enclosed within outward on the dextrorotation single thread of pushing rod sleeve, and overlap lower end clearance fit with lock sleeve upper end and lock ring, described lock ring cover is positioned at lock ring outside and is connected to lock sleeve upper end, and described lock ring set upper side withstands on tempered glass outer tube lower end.Described seat decapsulation deposits end and is provided with the baffle ring being enclosed within equally on pipe core.

Described packing element assembly comprises the upper isolating ring being enclosed within successively on pipe core, upper packing element, middle upper isolating ring, middle packing element, middle lower isolating ring, lower rubber cylinder, lower isolating ring from top to bottom, and pushing rod sleeve top withstands on lower isolating ring bottom.

Described lock sleeve is provided with 1/4 on the through hole of the connection plunger shaft of piston assembly corresponding point position " NPT joint.

Described upper piston, lower piston inner and outer wall are equipped with two seal grooves, and O-ring seal is installed simultaneously.

Pipe core is threaded with regulating ring, and described regulating ring internal thread is trapezoid buckle screw thread, before being connected, smears appropriate anaerobic adhesive with pipe core simultaneously; Described regulating ring outer wall is laid with 4 × M10 circular hole.

Described testing in sealing joint establishes 1/4 " NPT joint A, external thread is tubing thread screw thread, before being threaded, smears appropriate anaerobic adhesive with pipe core simultaneously; The described sealing joint outer wall of testing is provided with three seal grooves, and O-ring seal is installed simultaneously; Described tempered glass outer tube upper end reaming connecting portion need cover tests the whole seal grooves of sealing joint, and inside surface is smooth stingless simultaneously.

Compared to prior art, the utlity model has following beneficial effect:

For checking sealing of packer packing element sets metamorphosis and sealing reliability, the utility model provides a kind of packing element to set visual test device, and intuitively packing element sets state variation under underground working; Design and produce tempered glass outer tube, realized the visual of test unit; This apparatus structure is simple, and composite behaviour is good, and convenient operation is beneficial to and carries out laboratory experiment.

The utility model can be connected with portable pressure charging system, explosion-proof drying box etc., forms a complete packing element and sets visual test device system.Plane sample is the right cylinder of unlike material attribute, different size specification, and its surface of contact light requirement is sliding.Packing element sets visual test device can process the test unit that is applicable to different packing element types, size and progression as required.

Brief description of the drawings

Fig. 1 is the structural representation that packing element of the present utility model sets visual test device;

Fig. 2 is the flow process connection diagram that packing element of the present utility model sets visual test device.

In figure: pipe core 1, test sealing joint 2, upper isolating ring 4, upper packing element 5, middle spacer ring 6, middle packing element 7, middle spacer ring 8, lower rubber cylinder 9, lower isolating ring 10, pushing rod sleeve 13, lock ring 11, lock ring cover 12, upper piston 15, lower piston 16, lock sleeve 14, baffle ring 18, regulating ring 17.

Embodiment

Relevant detailed description of the present utility model and technology contents, coordinate brief description of the drawings as follows, but accompanying drawing only provides the use of reference with explanation, is not used for the utility model to be limited.

As shown in Figure 1, packing element sets visual test device, described pipe core 1 with test sealing joint 2 and be threaded, described upper isolating ring 4, upper packing element 5, middle spacer ring 6, middle packing element 7, middle spacer ring 8, lower rubber cylinder 9, lower isolating ring 10, pushing rod sleeve 13, lock ring 11, lock ring cover 12, upper piston 15, lower piston 16, lock sleeve 14, baffle ring 18 is enclosed within on pipe core 1 external cylindrical surface successively, described tempered glass outer tube 3 upper end reaming parts are enclosed within to be tested on sealing joint 2, lower end withstands on lock ring cover 12 simultaneously, outer being enclosed within on pushing rod sleeve 13 dextrorotation single thread of described lock ring 11, and overlap 12 lower end clearance fit with lock sleeve 14 upper ends and lock ring, described pushing rod sleeve 13, upper piston 15, lower piston 16 is built in lock sleeve 14, pushing rod sleeve 13 upper ends withstand on lower isolating ring 10 simultaneously, lower end withstands on upper piston 15, described regulating ring 17 is threaded with pipe core 1.

Described testing in sealing joint 2 establishes 1/4 " NPT joint A, external thread is tubing thread screw thread, before being threaded, smears appropriate anaerobic adhesive with pipe core 1 simultaneously.Described sealing joint 2 outer walls of testing are provided with three seal grooves, and O-ring seal is installed simultaneously.Described tempered glass outer tube 3 upper end reaming parts need cover tests the whole seal grooves of sealing joint 2, and inside surface is smooth stingless simultaneously.Described upper packing element 5, middle packing element 7, lower rubber cylinder 9 are enclosed within pipe core 1 outer wall, between described packing element 5,7,9 and tempered glass outer tube 3 at the non-annular space that forms while setting under state.The two ends of described packing element 5,7,9 are provided with spacer ring 4,6,8,10.Described lock sleeve 14 is provided with 1/4 in piston assembly 15,16 corresponding point " NPT joint B.Described upper piston 15, lower piston 16 inner and outer walls are equipped with two seal grooves, and O-ring seal is installed simultaneously.Described regulating ring 17 internal threads are trapezoid buckle screw thread, before being connected, smear appropriate anaerobic adhesive with pipe core 1 simultaneously.Described regulating ring 17 outer walls are laid with 4 × M10 circular hole.

The utility model can be connected with portable pressure charging system, explosion-proof drying box etc., forms a complete packing element and sets visual test device system.Plane sample is the right cylinder of unlike material attribute, different size specification, and its surface of contact light requirement is sliding.Packing element sets visual test device can process the test unit that is applicable to different packing element types, size and progression as required.

Specific experiment method of the present utility model: as shown in Figure 1 and Figure 2, the present embodiment adopts 3 packing elements.

Packing element is set to visual test device II and be built in explosion-proof drying box I, connect experiment process, set simulation downhole temperature.Close needle-valve VII, open needle-valve V, apply portable pressure charging system III by B place 1/4 " NPT joint slowly suppresses to 20Mpa, oil pressure promotes upper piston 16, pushing rod sleeve 13, on lower isolating ring 10, move, packing element 5, 7, 9 are stressedly expanded to abundant compression and set, lock ring 11 is by this state locking simultaneously, keep setting for a long time state, set rear B place's pressure release to zero, close needle-valve V, simultaneously, observe each packing element 5 by visual tempered glass outer tube 3, 7, 9 pressurized expansion kenels change and relevant pressure value, each packing element 5 when record sets, 7, the prominent situation of 9 height change value and shoulder, open needle-valve VII, apply portable pressure charging system III by A place 1/4 " NPT joint suppresses respectively 10Mpa, 15Mpa, 20Mpa, 25Mpa, 30Mpa, 35Mpa by testing requirements, until breaking pressure, each spot pressure is suppressed from low to high step by step, the pressure-resistant time at each spot pressure place strictly completes by testing requirements, close needle-valve VII when withstand voltage state, meanwhile, view data and the fine status of this test unit body under different pressures of the sealed separation effect while setting by visual tempered glass outer tube 3 observed and recorded packing elements 5,7,9.The hydraulic oil pressure release of A place, removes experiment process, removal test unit regulating ring 17, and upper piston 16, pushing rod sleeve 13, lower isolating ring 10 move down, and packing element 5,7,9 shrinks, and test completes.

The foregoing is only preferred embodiment of the present utility model, non-in order to limit the scope of the claims of the present utility model, other use the equivalence of patent spirit of the present utility model to change, and all should all belong to the scope of the claims of the present utility model.

Claims (8)

1. packing element sets visual test device, comprise pipe core and be enclosed within successively the packing element assembly on pipe core from top to bottom and sit deblocking device, it is characterized in that, described packing element assembly top arranges a sealing joint of testing being enclosed within equally on pipe core, described packing element assembly outside is set with a tempered glass outer tube, described tempered glass outer tube upper end offer reaming connecting portion and by this reaming connecting portion with test sealing joint and be connected, lower end withstands on seat decapsulation and is set up, between described tempered glass outer tube and packing element assembly, form annular space, this annular space is communicated with the through central lumen of testing sealing joint.
2. packing element according to claim 1 sets visual test device, it is characterized in that, described seat deblocking device comprises lock sleeve, upper piston, lower piston, pushing rod sleeve, described lock sleeve empty set is in pipe core outside, the plunger shaft inner sleeve forming between lock sleeve and pipe core has piston assembly, and piston assembly comprises upper piston, lower piston, and pushing rod sleeve is set on upper piston, pushing rod sleeve top withstands on packing element assembly bottom, offers the through hole that is communicated with plunger shaft on described lock sleeve.
3. packing element according to claim 2 sets visual test device, it is characterized in that, described seat deblocking device also comprises lock ring, lock ring cover, described lock ring is enclosed within outward on the dextrorotation single thread of pushing rod sleeve, and overlap lower end clearance fit with lock sleeve upper end and lock ring, described lock ring cover is positioned at lock ring outside and is connected to lock sleeve upper end, and described lock ring set upper side withstands on tempered glass outer tube lower end, and described seat decapsulation deposits end and is provided with the baffle ring being enclosed within equally on pipe core.
4. packing element according to claim 2 sets visual test device, it is characterized in that, described packing element assembly comprises the upper isolating ring being enclosed within successively on pipe core, upper packing element, middle upper isolating ring, middle packing element, middle lower isolating ring, lower rubber cylinder, lower isolating ring from top to bottom, and described pushing rod sleeve top withstands on lower isolating ring bottom.
5. packing element according to claim 2 sets visual test device, it is characterized in that, described lock sleeve is provided with 1/4 on the through hole of the connection plunger shaft of piston assembly corresponding point position " NPT joint.
6. packing element according to claim 2 sets visual test device, it is characterized in that, described upper piston, lower piston inner and outer wall are equipped with two seal grooves, and O-ring seal is installed simultaneously.
7. packing element according to claim 2 sets visual test device, it is characterized in that, pipe core is threaded with regulating ring, and described regulating ring internal thread is trapezoid buckle screw thread, before being connected, smears appropriate anaerobic adhesive with pipe core simultaneously; Described regulating ring outer wall is laid with 4 × M10 circular hole.
8. packing element according to claim 1 sets visual test device, it is characterized in that, described in test in sealing joint establish 1/4 " NPT joint A, external thread is tubing thread screw thread, before being threaded with pipe core, smears appropriate anaerobic adhesive simultaneously; The described sealing joint outer wall of testing is provided with three seal grooves, and O-ring seal is installed simultaneously; Described tempered glass outer tube upper end reaming connecting portion need cover tests the whole seal grooves of sealing joint, and inside surface is smooth stingless simultaneously.
CN201420268035.9U 2014-05-23 2014-05-23 Packing element sets visual test device CN203929521U (en)

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Application Number Priority Date Filing Date Title
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104568418A (en) * 2015-01-22 2015-04-29 四机赛瓦石油钻采设备有限公司 Packer performance detecting device
CN104749040A (en) * 2015-03-03 2015-07-01 中国石油天然气股份有限公司 Test detection device and method for high temperature packer rubber tube
CN105092383A (en) * 2014-05-23 2015-11-25 中国石油化工股份有限公司胜利油田分公司采油工艺研究院 Packer rubber setting visualization test apparatus
CN105604521A (en) * 2016-02-23 2016-05-25 西南石油大学 Multifunctional compression packer rubber sleeve unit experiment device

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105092383A (en) * 2014-05-23 2015-11-25 中国石油化工股份有限公司胜利油田分公司采油工艺研究院 Packer rubber setting visualization test apparatus
CN105092383B (en) * 2014-05-23 2017-09-15 中国石油化工股份有限公司胜利油田分公司采油工艺研究院 Packing element sets visual test device
CN104568418A (en) * 2015-01-22 2015-04-29 四机赛瓦石油钻采设备有限公司 Packer performance detecting device
CN104568418B (en) * 2015-01-22 2017-02-22 四机赛瓦石油钻采设备有限公司 Packer performance detecting device
CN104749040A (en) * 2015-03-03 2015-07-01 中国石油天然气股份有限公司 Test detection device and method for high temperature packer rubber tube
CN104749040B (en) * 2015-03-03 2018-04-06 中国石油天然气股份有限公司 A kind of experiment detection device and method of high-temperature packer packing element
CN105604521A (en) * 2016-02-23 2016-05-25 西南石油大学 Multifunctional compression packer rubber sleeve unit experiment device
CN105604521B (en) * 2016-02-23 2018-06-29 西南石油大学 A kind of multi-functional compression type packer tubling unit experiment device

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20141105

Termination date: 20160523