CN201144694Y - Bridge type eccentric bidirectional airproof test device - Google Patents
Bridge type eccentric bidirectional airproof test device Download PDFInfo
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- CN201144694Y CN201144694Y CNU200820016429XU CN200820016429U CN201144694Y CN 201144694 Y CN201144694 Y CN 201144694Y CN U200820016429X U CNU200820016429X U CN U200820016429XU CN 200820016429 U CN200820016429 U CN 200820016429U CN 201144694 Y CN201144694 Y CN 201144694Y
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- swivel nut
- gear arm
- fixed body
- bridge
- male thread
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Abstract
The utility model provides a bridge type eccentric biaxial sealing test device. The center of a body is provided with an upper connecting rod and a rack rod which are connected with each other by thread. The outer surface of the connecting rod from the upper end to the lower end is orderly provided with a pin nut, a hollow locating turnbuckle and a sealing turnbuckle. An epicone-shaped turnbuckle, a position limited turnbuckle and a lower fixing turnbuckle are arranged on the hollow locating turnbuckle. The outer surfaces of the position limited turnbuckle and the lower fixing turnbuckle are provided with a hypocone-shaped supporting sheath. The upper and lower ends of the hypocone-shaped supporting sheath are provided with an uppersealant bowl and a lower sealant bowl. The outer surface of the sealing turnbuckle is provided with a gear arm fixing body. The upper outer surface of the gear arm fixing body is sheathed in the lower fixing turnbuckle. And the lower outer surface of the gear arm fixing body is sheathed with a hypocone-shaped sheath. The outer surface of the rack rod is provided with the gear arm fixing body and a switch wheel fixing body. The upper end of the rack rod is inserted in the center hole of the gear arm fixing body. The middle-upper part is revealed on a concaved platform provided by the middle part of the gear arm fixing body, and is meshed with symmetrical gear on the gear arm. The lower part is revealed on a concaved platform provided by the middle-lower part of the switch wheel fixing body, and supports on the switch wheel arranged on the platform. The upper part of the epicone-shaped is provided with a sealing sheath.
Description
One, technical field
The utility model relates to the testing arrangement that is used for oil field bridge-type eccentric separate water injection well test pressure and flow, specifically a kind of bridge-type eccentric two way seal testing arrangement.Be used for layering closing well in the down-hole oil tube, carry out check, zonal pressure test and the test of the layer parameter relatively of extension thus of the differential pressure inflatable packer sealing effectiveness of each layer of down-hole.
Two, background technology
In the past, in the water flooding, be used for the seal section that the bridge-type eccentric water injection well carries out the zonal pressure test or tests envelope, adopt fixed rubber seal, when operating, strict to the cushion rubber external diameter, can not be too big, again can not be too little, the sealing surplus is few, the pressure reduction that bears is little, the requirement of incompatibility injection well testing, and the seal section device of pressure reduction is blank always and can carry greatly.
Three, summary of the invention
The purpose of this utility model provides a kind of bridge-type eccentric two way seal testing arrangement, solves the problem that above-mentioned prior art exists.This sealing device can be controlled the expansion of fluid sealant bowl on one's own initiative, and lower channel on the sealing inlet is realized the layering sealing.Because two-stage seal section sealing surplus is big, can bear 20MP
aAbove pressure reduction, and the phenomenon of leakage or seal failure can not appear.In addition, the in-house design of this device has connected system, realizes the transmission of pressure, guarantees the measurement of sealing interval pressure, and interface is left in the device bottom, and flow meter or pressure gauge can be installed, and realizes different flows and pressure contrast test.
The utility model is by the foot piece tieing, switch wheel, centrepin, switch wheel, switch block, steady pin, torsion spring, the switch fixed body, the retaining pad, stage clip, rack bar, roller pin, roller, the gear arm, gear arm steady pin, gear arm fixed body, lower seal glue bowl, the inferior pyramidal swivel nut, the sealing swivel nut, following fixedly swivel nut, hollow location swivel nut, the inferior pyramidal support set, O shape circle, last fluid sealant bowl, spacing swivel nut, upper conical swivel nut, upper connecting rod, locking nut and airtight sheath are formed body, it is cylindrical to it is characterized in that body is made as, its center is provided with upper connecting rod and rack bar, two bars are threaded, upper connecting rod is on top, rack bar is in the bottom, be provided with jam nut, hollow location swivel nut from upper connecting rod upper end to lower end periphery by preface, the sealing swivel nut; It is trapezoidal that hollow location swivel nut is made as cylinder, trapezoidal thereon periphery is provided with the upper conical swivel nut that is threaded with it, spacing swivel nut, be with down fixedly swivel nut in its lower trapezoid periphery, be provided with the inferior pyramidal support set at spacing swivel nut and following fixedly swivel nut periphery, spacing swivel nut is threaded with the inferior pyramidal support set, up and down be provided with upper and lower fluid sealant bowl in two ends at the inferior pyramidal support set, be provided with intercommunicating pore at inferior pyramidal support set middle part and with intercommunicating pore corresponding position on the swivel nut of hollow location; Be provided with the gear arm fixed body that is threaded with it in sealing swivel nut periphery, periphery is enclosed within down fixedly in the swivel nut on the gear arm fixed body, is threaded with it, and gear arm fixed body lower, outer perimeter is with the inferior pyramidal cover, and the inferior pyramidal cover is made as the holder of lower seal glue bowl; The rack bar periphery is provided with gear arm fixed body and switch wheel fixed body, two fixed bodies are threaded, the rack bar upper end is inserted in the centre bore of gear arm fixed body, the middle and upper part is exposed on the set spill platform in gear arm fixed body middle part, with the gears engaged on the gear arm of symmetry, the bottom is exposed on the set spill platform in switch wheel fixed body middle and lower part by the set spring of switch wheel fixed body central upper portion, withstand on the notched switch wheel set on the platform, switch wheel fixed body bottom is provided with the foot piece joint; Upper conical swivel nut top is provided with airtight sheath, and both are threaded.
Upper connecting rod is made as cylindrical, and upper end diameter is little and be provided with male thread, cooperate with locking nut; The lower end is provided with male thread, cooperates with rack bar top box thread.
It is trapezoidal that hollow location swivel nut is made as cylinder, and diameter changes from small to big from the top down and is provided with 3 diameter segment, and internal diameter is identical; The bottom, upper end is provided with male thread, cooperates with the box thread on upper limit swivel nut top; Be provided with the slit between hollow location swivel nut and the upper connecting rod.
Airtight sheath is made as tubular, has box thread on it, and following box thread cooperates with the male thread of upper conical swivel nut, and last box thread cooperates with the male thread of oil pipe.
It is cylindrical that upper conical swivel nut is made as reducing, top external diameter and internal diameter are less than lower outer diameter and internal diameter, top is provided with box thread and male thread, the top male thread cooperates with the box thread of airtight sheath, the top box thread cooperates with hollow location swivel nut male thread, lower, outer perimeter is made as taper, and upper periphery is established O-ring seals.
Upper-lower seal glue bowl is made as toroidal, is provided with groove in the inner face middle and lower part, and lower, outer perimeter is established cylindrical.
Spacing swivel nut is made as cylindrical, and upper diameter is big, and lower diameter is little, and the bottom is provided with male thread, is provided with O-ring seals more than male thread, and male thread cooperates with the box thread of inferior pyramidal support set, and the center is provided with centre bore and hollow location swivel nut is slidingly matched.
The inferior pyramidal support set is made as cylindrical, and the upper end is provided with inner conical surface, and the bottom is provided with male cone (strobilus masculinus), cooperates with the male cone (strobilus masculinus) of last fluid sealant bowl and the inner conical surface of lower seal glue bowl respectively, and the middle part is provided with intercommunicating pore.
The sealing swivel nut is made as cylindrical, and upper periphery is provided with O-ring seals, and the bottom is provided with male thread, cooperates with the box thread on gear arm fixed body top.
Following fixedly swivel nut is made as cylindrical, and upper-end inner diameter is little, and the bottom is provided with box thread, cooperates with gear arm fixed body top male thread.
Gear arm fixed body is made as cylindrical, and the top external diameter is less than lower outer diameter, and the top internal diameter is greater than the middle part internal diameter, and less than the bottom internal diameter, top is provided with box thread, and the male thread of sealing swivel nut cooperates, and middle part one side is provided with the spill platform, and the bottom is provided with box thread.
Inferior pyramidal cover top is made as inside trumpet shape, cooperates with lower seal glue bowl lateral surface, and the bottom is made as cylindrical, and the lower end is provided with inner platform, is the seal receptacle of lower seal glue bowl.
The gear arm is made as arc of symmetry, symmetry is in the both sides of rack bar, semicircular gear is established in the upper end of gear arm, be fixed on the top of the set spill platform in gear arm fixed body middle part with gear arm steady pin at the circle centre position of gear, gear arm bottom is provided with horizontal groove, be provided with the gear that exposes a groove part in the groove, gear is fixed between groove two walls with gear arm steady pin.
Rack bar is made as cylindrical, and top is provided with box thread and cooperates with the male thread of upper connecting rod lower end, is provided with the spiral shell tooth to the middle and upper part periphery below box thread, and with the gears engaged on the gear arm, the middle and lower part is provided with the retaining pad, and the bottom is made as semicircle head.
The switch wheel fixed body is made as cylindrical, top external diameter and internal diameter are less than bottom internal diameter and external diameter, middle part one side is provided with the spill platform, top is provided with male thread, male thread is to have O-ring seals, male thread cooperates with the box thread of gear arm fixed body bottom, and the bottom is provided with box thread and is threaded with foot piece.
Switch wheel is made as fan-shaped mouthful circle, its switch wheel central axis is fixed on the center of switch wheel fixed body spill platform, be provided with a switch block in switch wheel central axis one side, one end of switch block is fixed with the switch block steady pin, the switch block steady pin is provided with torsion spring, and an end of torsion spring is fixed on the switch block, and the other end is fixed on the switch wheel, switch block can be swung from the angle perpendicular to the switch wheel fixed body, make rack bar lower end contact-making switch wheel periphery or drop in fan-shaped mouthful.
Compared with the prior art the utility model has the following advantages:
1, adopts the inflatable seal section, guarantee strict sealing in the seating nipple.
When 2, inflatable seal section seals, can carry 20MP in seating nipple
aAbove pressure reduction.
3, adopt the way of two way seal section breathing simultaneously up and down, assurance device is in the onset process, and is reliable and stable.
4, adopt hanging to open control system, the ease for operation of implement device.
The utility model can be applicable to zonal pressure test, layer separating packer condition survey, the ground responding curve of well layering pressure fall-off test of water injection well and the check and the test of other layering transient well test parameters of oil field bridge-type eccentric separate water injection well.
The utility model fills up the blank of domestic eccentric water injection well layering pressure fall-off test, improved the reliability that envelope is tested in layering.Compare with the method that adopted operation layering shutoff in the past, every layer is reduced 120,000 yuan of testing costs, reduces the stopping production fate more than 7 days.By inferior calculating of annual test 20 wells, can bring 5,000,000 yuan benefit at least, wherein also do not comprise increasing the indirect benefit of being brought after zonal testing and the check.
Four, description of drawings
Accompanying drawing is the structural representation of bridge-type eccentric separate water injection well two way seal testing arrangement.
The fixing upper upper conical swivel nut 26-of the spacing swivel nut 25-of the fluid sealant bowl 24-upper connecting rod 27-locking nut 28-sealing sheath of the hollow positioning thread insert 21-of swivel nut 20-inferior pyramidal support set 22-" O " shape sealing ring 23-under the 1-foot piece joint 2-centrepin 3-switch wheel 4-switch block 5-steady pin 6-torsion spring 7-switch wheel fixed body 8-gear pad 9-compression spring 10-rack bar 11-roller pin 12-roller 13-gear arm 14-gear arm steady pin 15-gear arm fixed body 16-lower seal glue bowl 17-inferior pyramidal cover 18-sealing swivel nut 19-among the figure
Five, the specific embodiment
For further disclosing the technical solution of the utility model, elaborate by embodiment below in conjunction with Figure of description:
The utility model is by foot piece tieing 1, switch wheel 3, centrepin 2, switch block 4, steady pin 5, torsion spring 6, switch fixed body 7, retaining pad 8, stage clip 9, rack bar 10, roller pin 11, roller 12, gear arm 13, gear arm steady pin 14, gear arm fixed body 15, lower seal glue bowl 16, inferior pyramidal cover 17, sealing swivel nut 18, following fixedly swivel nut 19, hollow location swivel nut 20, inferior pyramidal support set 21, O-ring seals 22, last fluid sealant bowl 23, spacing swivel nut 24, upper conical swivel nut 25, upper connecting rod 26, locking nut 27 and airtight sheath 28 are formed body, it is cylindrical to it is characterized in that body is made as, its center is provided with upper connecting rod and rack bar, two bars are threaded, upper connecting rod is on top, rack bar is in the bottom, be provided with jam nut, hollow location swivel nut from upper connecting rod upper end to lower end periphery by preface, the sealing swivel nut; It is trapezoidal that hollow location swivel nut is made as cylinder, trapezoidal thereon periphery is provided with the upper conical swivel nut that is threaded with it, spacing swivel nut, be with down fixedly swivel nut in its lower trapezoid periphery, be provided with the inferior pyramidal support set at spacing swivel nut and following fixedly swivel nut periphery, spacing swivel nut is threaded with the inferior pyramidal support set, up and down be provided with upper and lower fluid sealant bowl in two ends at the inferior pyramidal support set, be provided with intercommunicating pore at inferior pyramidal support set middle part and with intercommunicating pore corresponding position on the swivel nut of hollow location; Be provided with the gear arm fixed body that is threaded with it in sealing swivel nut periphery, periphery is enclosed within down fixedly in the swivel nut on the gear arm fixed body 5, is threaded with it, and gear arm fixed body lower, outer perimeter is with the inferior pyramidal cover, and the inferior pyramidal cover is made as the holder of lower seal glue bowl; The rack bar periphery is provided with gear arm fixed body and switch wheel fixed body, two fixed bodies are threaded, the rack bar upper end is inserted in the centre bore of gear arm fixed body, the middle and upper part is exposed on the set spill platform in gear arm fixed body middle part, with the gears engaged on the gear arm of symmetry, the bottom is exposed on the set spill platform in switch wheel fixed body middle and lower part by the set spring of switch wheel fixed body central upper portion, withstand on the notched switch wheel set on the spill platform, switch wheel fixed body bottom is provided with the foot piece joint; Upper conical swivel nut top is provided with airtight sheath, and both are threaded.
Setting pressure meter in the airtight sheath 28 in top, the bottom can connect counterweight.Before going into the well, be subjected to the restriction of switch wheel, move on the rack bar 10, gear arm 13 is contracted in the Φ 44mm diameter range, simultaneously, move on the coupling bar 26 in the drive, keep inferior pyramidal support set 21 and upper conical cover 25 respectively and lower seal glue bowl 16, go up between the fluid sealant bowl 23 loose, the glue bowl is retracted in the Φ 44mm, and instrument is gone into the well smoothly.Under the instrument after desired depth, on when carrying to the eccentric injection mandrel seating nipple, switch wheel 3 upsets discharge gear arm 13, and coupling bar 26 is gone up in rack bar 10 pullings simultaneously, promote inferior pyramidal support set 21 and upper conical cover 25 and push lower seal glue bowl 16 and last fluid sealant bowl 23 respectively, make its expansion, external diameter increases, in seating nipple, seal respectively about the inlet, realize the laminated distributor under well closing well.
There is pressure gauge pressure transmission hole on the inferior pyramidal support set 21 by between hollow location swivel nut 20 and the upper-lower seal glue bowl time to realize the pressure transmission in the sealing sheath 28 with extraneous.
When the interlayer packer is implemented check, pressure gauge is set in the airtight sheath 28 or foot piece joint 1 can connect pressure gauge or flow meter all can.Before going into the well, press lower gear arm 13, under the drive of gear, move on rack bar 10 and the upper connecting rod 26, move thereby drive on the spacing swivel nut 24, thereby fluid sealant bowl 16 and 23 loses to support and shrinks, with switch wheel 3 upsets, unclamp the gear arm, utilize rack bar 10 to pin switch wheel 3, switch block 4 on the switch wheel 3 can make progress back rotation, exceeds seal section main body maximum outside diameter 2-4mm after the gathering.When going into the well by side-pocket mandrel, switch block 4 can crouch in switch wheel 3, guarantees to make seal section pass through seating nipple smoothly.On when mentioning the eccentric injection mandrel seating nipple, switch block 4 is hampered and overturns downwards, make rack bar 10 leave switch wheel 3, gear arm 13 opens, under the promotion of compression spring 9, rack bar 10 moves down with last coupling bar 26, spacing swivel nut 24, struts two seals glue bowl 16 and 23 up and down, at first blocks wherein one deck and interior pressure and the fluid flow transmission of oil pipe.Adjust water injection pressure and flow, the corresponding change of down-hole oil tube internal pressure flow by ground.Check that the pressure gauges in the airtight sheath 28 have or not corresponding change, if no change, illustrate that then this layer is realized closing in oil pipe after, can not be subjected to the influence of oil pipe and other stressor layer flows, illustrate that lower packet is effective on it.Otherwise, respective change also takes place if close layer, illustrate that then this layer is subjected to other layers interference, have at least a packer to lose efficacy.Respectively each layer tested according to this, can determine each packer onset situation.
When carrying out the zonal pressure test, do consistent with the packer check to the device basic operation.Just behind the layering closing well, can adjust pressure and flow in realizing oil pipe, and will install and pressure gauge places the down-hole together, up to EOT, device and instrument recur out.According to this can be respectively a plurality of layers of a bite well be carried out pressure test.If follow-on test from closing well in the oil pipe to closing well after the overall process of pressure stability, promptly test the landing of water injection well zonal pressure, thus, or obtain multinomial stratum and oil deposit parameter.
Claims (16)
1, a kind of bridge-type eccentric two way seal testing arrangement, by the foot piece tieing, switch wheel, centrepin, switch wheel, switch block, steady pin, torsion spring, the switch fixed body, the retaining pad, stage clip, rack bar, roller pin, roller, the gear arm, gear arm steady pin, gear arm fixed body, lower seal glue bowl, the inferior pyramidal swivel nut, the sealing swivel nut, following fixedly swivel nut, hollow location swivel nut, the inferior pyramidal support set, O shape circle, last fluid sealant bowl, spacing swivel nut, upper conical swivel nut, upper connecting rod, locking nut and airtight sheath are formed body, it is cylindrical to it is characterized in that body is made as, its center is provided with upper connecting rod and rack bar, two bars are threaded, upper connecting rod is on top, rack bar is in the bottom, be provided with jam nut, hollow location swivel nut from upper connecting rod upper end to lower end periphery by preface, the sealing swivel nut; It is trapezoidal that hollow location swivel nut is made as cylinder, trapezoidal thereon periphery is provided with the upper conical swivel nut that is threaded with it, spacing swivel nut, be with down fixedly swivel nut in its lower trapezoid periphery, be provided with the inferior pyramidal support set at spacing swivel nut and following fixedly swivel nut periphery, spacing swivel nut is threaded with the inferior pyramidal support set, up and down be provided with upper and lower fluid sealant bowl in two ends at the inferior pyramidal support set, be provided with intercommunicating pore at inferior pyramidal support set middle part and with intercommunicating pore corresponding position on the swivel nut of hollow location; Be provided with the gear arm fixed body that is threaded with it in sealing swivel nut periphery, periphery is enclosed within down fixedly in the swivel nut on the gear arm fixed body, is threaded with it, and gear arm fixed body lower, outer perimeter is with the inferior pyramidal cover, and the inferior pyramidal cover is made as the holder of lower seal glue bowl; The rack bar periphery is provided with gear arm fixed body and switch wheel fixed body, two fixed bodies are threaded, the rack bar upper end is inserted in the centre bore of gear arm fixed body, the middle and upper part is exposed on the set spill platform in gear arm fixed body middle part, with the gears engaged on the gear arm of symmetry, the bottom is exposed on the set spill platform in switch wheel fixed body middle and lower part by the set spring of switch wheel fixed body central upper portion, withstand on the notched switch wheel set on the platform, switch wheel fixed body bottom is provided with the foot piece joint; Upper conical swivel nut top is provided with airtight sheath, and both are threaded.
2, bridge-type eccentric two way seal testing arrangement according to claim 1, it is cylindrical to it is characterized in that upper connecting rod is made as, and upper end diameter is little and be provided with male thread, cooperate with locking nut; The lower end is provided with male thread, cooperates with rack bar top box thread.
3, bridge-type eccentric two way seal testing arrangement according to claim 1, it is trapezoidal to it is characterized in that hollow location swivel nut is made as cylinder, and diameter changes from small to big from the top down and is provided with 3 diameter segment, and internal diameter is identical; The bottom, upper end is provided with male thread, cooperates with the box thread on upper limit swivel nut top; Be provided with the slit between hollow location swivel nut and the upper connecting rod.
4, bridge-type eccentric two way seal testing arrangement according to claim 1 is characterized in that airtight sheath is made as tubular, has box thread on it, and following box thread cooperates with the male thread of upper conical swivel nut, and last box thread cooperates with the male thread of oil pipe.
5, bridge-type eccentric two way seal testing arrangement according to claim 1, it is cylindrical to it is characterized in that upper conical swivel nut is made as reducing, top external diameter and internal diameter are less than lower outer diameter and internal diameter, top is provided with box thread and male thread, the top male thread cooperates with the box thread of airtight sheath, the top box thread cooperates with hollow location swivel nut male thread, and lower, outer perimeter is made as taper, and upper periphery is established O-ring seals.
6, bridge-type eccentric two way seal testing arrangement according to claim 1 is characterized in that upper-lower seal glue bowl is made as toroidal, is provided with groove in the inner face middle and lower part, and lower, outer perimeter is established cylindrical.
7, bridge-type eccentric two way seal testing arrangement according to claim 1, it is cylindrical to it is characterized in that spacing swivel nut is made as, upper diameter is big, lower diameter is little, the bottom is provided with male thread, be provided with O-ring seals more than male thread, male thread cooperates with the box thread of inferior pyramidal support set, and the center is provided with centre bore and hollow location swivel nut is slidingly matched.
8, bridge-type eccentric two way seal testing arrangement according to claim 1, it is cylindrical to it is characterized in that the inferior pyramidal support set is made as, and the upper end is provided with inner conical surface, and the bottom is provided with male cone (strobilus masculinus), cooperate with the male cone (strobilus masculinus) of last fluid sealant bowl and the inner conical surface of lower seal glue bowl respectively, the middle part is provided with intercommunicating pore.
9, bridge-type eccentric two way seal testing arrangement according to claim 1 is characterized in that sealing swivel nut and is made as cylindrically, and upper periphery is provided with O-ring seals, and the bottom is provided with male thread, cooperates with the box thread on gear arm fixed body top.
10, bridge-type eccentric two way seal testing arrangement according to claim 1, it is cylindrical to it is characterized in that following fixedly swivel nut is made as, and upper-end inner diameter is little, and the bottom is provided with box thread, cooperates with gear arm fixed body top male thread.
11, bridge-type eccentric two way seal testing arrangement according to claim 1, it is characterized in that gear arm fixed body is made as cylindrical, the top external diameter is less than lower outer diameter, the top internal diameter is greater than the middle part internal diameter, less than the bottom internal diameter, top is provided with box thread, and the male thread of sealing swivel nut cooperates, middle part one side is provided with the spill platform, and the bottom is provided with box thread.
12, bridge-type eccentric two way seal testing arrangement according to claim 1 is characterized in that inferior pyramidal cover top is made as inside trumpet shape, cooperates with lower seal glue bowl lateral surface, and the bottom is made as cylindrical, and the lower end is provided with inner platform, is the seal receptacle of lower seal glue bowl.
13, bridge-type eccentric two way seal testing arrangement according to claim 1, it is characterized in that the gear arm is made as arc of symmetry, symmetry is in the both sides of rack bar, semicircular gear is established in the upper end of gear arm, be fixed on the top of the set spill platform in gear arm fixed body middle part with gear arm steady pin at the circle centre position of gear, gear arm bottom is provided with horizontal groove, is provided with the gear that exposes a groove part in the groove, and gear is fixed between groove two walls with gear arm steady pin.
14, bridge-type eccentric two way seal testing arrangement according to claim 1, it is cylindrical to it is characterized in that rack bar is made as, top is provided with box thread and cooperates with the male thread of upper connecting rod lower end, below box thread, be provided with the spiral shell tooth to the middle and upper part periphery, with the gears engaged on the gear arm, the middle and lower part is provided with the retaining pad, and the bottom is made as semicircle head.
15, bridge-type eccentric two way seal testing arrangement according to claim 1, it is cylindrical to it is characterized in that the switch wheel fixed body is made as, top external diameter and internal diameter are less than bottom internal diameter and external diameter, middle part one side is provided with the spill platform, top is provided with male thread, male thread is to have O-ring seals, and male thread cooperates with the box thread of gear arm fixed body bottom, and the bottom is provided with box thread and is threaded with foot piece.
16, bridge-type eccentric two way seal testing arrangement according to claim 1, it is characterized in that switch wheel is made as fan-shaped mouthful circle, its switch wheel central axis is fixed on the center of switch wheel fixed body spill platform, be provided with a switch block in switch wheel central axis one side, one end of switch block is fixed with the switch block steady pin, the switch block steady pin is provided with torsion spring, one end of torsion spring is fixed on the switch block, the other end is fixed on the switch wheel, switch block can be swung from the angle perpendicular to the switch wheel fixed body, make rack bar lower end contact-making switch wheel periphery or drop in fan-shaped mouthful.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820016429XU CN201144694Y (en) | 2008-01-09 | 2008-01-09 | Bridge type eccentric bidirectional airproof test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820016429XU CN201144694Y (en) | 2008-01-09 | 2008-01-09 | Bridge type eccentric bidirectional airproof test device |
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| CN201144694Y true CN201144694Y (en) | 2008-11-05 |
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| CNU200820016429XU Expired - Fee Related CN201144694Y (en) | 2008-01-09 | 2008-01-09 | Bridge type eccentric bidirectional airproof test device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102094620A (en) * | 2009-12-14 | 2011-06-15 | 西安威尔罗根能源科技有限公司 | Multi-angle eccentric mechanism for petroleum logging |
| CN102606101A (en) * | 2012-04-01 | 2012-07-25 | 西南石油大学 | Novel downhole positioning device |
| CN103696759A (en) * | 2012-09-28 | 2014-04-02 | 中国石油天然气股份有限公司 | Electric direct reading test sealing checking tool |
| WO2014117462A1 (en) * | 2013-02-01 | 2014-08-07 | 中国石油天然气股份有限公司 | Bridge-type concentric direct reading testing and commissioning instrument |
| CN104675383A (en) * | 2015-02-15 | 2015-06-03 | 中国石油集团西部钻探工程有限公司 | Underground electronic pressure gage hanger |
| CN105626038A (en) * | 2015-12-22 | 2016-06-01 | 付吉平 | Bi-directional sealing flow-concentrating type flow adjuster |
| CN107817848A (en) * | 2017-10-26 | 2018-03-20 | 合肥超越电器有限责任公司 | A kind of temperature controller with overhead upset pull detector |
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2008
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102094620B (en) * | 2009-12-14 | 2013-10-30 | 西安威尔罗根能源科技有限公司 | Multi-angle eccentric mechanism for petroleum logging |
| CN102094620A (en) * | 2009-12-14 | 2011-06-15 | 西安威尔罗根能源科技有限公司 | Multi-angle eccentric mechanism for petroleum logging |
| CN102606101A (en) * | 2012-04-01 | 2012-07-25 | 西南石油大学 | Novel downhole positioning device |
| CN102606101B (en) * | 2012-04-01 | 2014-07-09 | 西南石油大学 | Novel downhole positioning device |
| CN103696759B (en) * | 2012-09-28 | 2016-08-03 | 中国石油天然气股份有限公司 | Electronic direct reading test tests envelope instrument |
| CN103696759A (en) * | 2012-09-28 | 2014-04-02 | 中国石油天然气股份有限公司 | Electric direct reading test sealing checking tool |
| WO2014117462A1 (en) * | 2013-02-01 | 2014-08-07 | 中国石油天然气股份有限公司 | Bridge-type concentric direct reading testing and commissioning instrument |
| CN104675383A (en) * | 2015-02-15 | 2015-06-03 | 中国石油集团西部钻探工程有限公司 | Underground electronic pressure gage hanger |
| CN104675383B (en) * | 2015-02-15 | 2017-08-22 | 中国石油集团西部钻探工程有限公司 | Downhole electronic pressure bomb hanger |
| CN105626038A (en) * | 2015-12-22 | 2016-06-01 | 付吉平 | Bi-directional sealing flow-concentrating type flow adjuster |
| CN105626038B (en) * | 2015-12-22 | 2022-01-28 | 东营市鑫吉石油技术有限公司 | Bidirectional sealing flow-collecting type flow regulator |
| CN107817848A (en) * | 2017-10-26 | 2018-03-20 | 合肥超越电器有限责任公司 | A kind of temperature controller with overhead upset pull detector |
| CN107817848B (en) * | 2017-10-26 | 2020-01-07 | 合肥超越电器有限责任公司 | Temperature controller with overhead upset pull detects head |
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