CN104405325A - Multifunctional polish rod sealer of pumping well - Google Patents

Multifunctional polish rod sealer of pumping well Download PDF

Info

Publication number
CN104405325A
CN104405325A CN201410750037.6A CN201410750037A CN104405325A CN 104405325 A CN104405325 A CN 104405325A CN 201410750037 A CN201410750037 A CN 201410750037A CN 104405325 A CN104405325 A CN 104405325A
Authority
CN
China
Prior art keywords
polished rod
adapter sleeve
seal
sealed adapter
packing
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
Application number
CN201410750037.6A
Other languages
Chinese (zh)
Inventor
张建堂
李洪星
李建江
毕新忠
牛军
于海广
范力
赵虹
周志超
陈红峰
李红霞
胥风和
赵庆林
胡洪浩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHENGLI OILFIELD NORTH INDUSTRIAL GROUP Co Ltd
Original Assignee
SHENGLI OILFIELD NORTH INDUSTRIAL GROUP Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SHENGLI OILFIELD NORTH INDUSTRIAL GROUP Co Ltd filed Critical SHENGLI OILFIELD NORTH INDUSTRIAL GROUP Co Ltd
Priority to CN201410750037.6A priority Critical patent/CN104405325A/en
Publication of CN104405325A publication Critical patent/CN104405325A/en
Pending legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B33/00Sealing or packing boreholes or wells
    • E21B33/02Surface sealing or packing
    • E21B33/03Well heads; Setting-up thereof
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B33/00Sealing or packing boreholes or wells
    • E21B33/02Surface sealing or packing
    • E21B33/03Well heads; Setting-up thereof
    • E21B33/06Blow-out preventers, i.e. apparatus closing around a drill pipe, e.g. annular blow-out preventers

Abstract

The invention relates to a multifunctional polish rod sealer of a pumping well. The multifunctional polish rod sealer of the pumping well comprises a blowout preventing device, a corrosion prevention device and a deviation preventing device which are sequentially connected from top to bottom, wherein a polish rod penetrates through the centers of the devices. The corrosion prevention device comprises a sealed connecting sleeve connected with the blowout prevention device and the deviation preventing device, a dosing port arranged outside the sealed connecting sleeve and an oil cavity arranged in the sealed connecting sleeve. The blowout preventing device comprises a polish rod working cavity for the polish rod to penetrate through, a sealing body working cavity for sealing the polish rod working cavity, a sealing body, a reset spring, a spring press cover and a lower threaded connector, wherein one end of the reset spring is pressed on the sealing body, and the other end of the reset spring is pressed on the spring press cover. The deviation preventing device comprises a packing, a packing press cap pressing down the packing, a deviation rectifying ball, a ball seat, a spherical press cap pressing the deviation rectifying ball, a deviation rectifying device and a clamp-hooping head, wherein the deviation rectifying ball is in threaded connection with the corrosion prevention device, the deviation rectifying device is located under the spherical press cap, and the clamp-hooping head is located under the deviation rectifying device.

Description

Jack well multifunctional polished rod sealer
Technical field
The invention belongs to technical field of oil extraction equipment, relate to a kind of sealing device of pumping well polish rod, particularly a kind of jack well multifunctional polished rod sealer.
Background technology
In oil well production process, polished rod stuffing box leakage of oil becomes the bottleneck of the upper level of restriction our factory management.The wellhead polish rod packing box result of use used at present is poor, is mainly manifested in the following aspects:
One is because polished rod misaligns well head, causes polished rod eccentric wear packing oil leakage.
Two is that thinner is serious to bare rod corrosion, and packing accelerated wear test causes the leakage of oil of packing_seal difference.
Three is because viscosity of crude is high, causes the crude oil be attached on polished rod to take packing box out of;
Four be due to polished rod partially, burn into load weight, often there is the polished rod break well that falls and cause oil spout to pollute.
These problems, not only pollute environment above, increase management difficulty and workload, and cause and frequently stop well and even to lie well, cause production loss.
Summary of the invention
The technical problem to be solved in the present invention is the above-mentioned defect how overcoming prior art, provides a kind of jack well multifunctional polished rod sealer.
The present invention is achieved by the following technical solutions:
This jack well multifunctional polished rod sealer, comprise the blowout hookup, anti-corrosive apparatus and the anti-deflection device that connect successively from top to bottom, polished rod passes from their centers; Described anti-corrosive apparatus comprises the sealed adapter sleeve connecting blowout hookup and anti-deflection device, the oil pocket be located at the dosing mouth outside sealed adapter sleeve and be located in sealed adapter sleeve.
As optimization, described blowout hookup comprises for the polished rod working chamber through polished rod, for sealing the seal working chamber of described polished rod working chamber, seal, back-moving spring, spring capping and lower threaded joint, described back-moving spring one end is pressed on seal, and the other end is pressed on spring capping.
As optimization, described seal working chamber is cylindrical cavity.
As optimization, described seal is nylon seal, and described nylon seal is cylinder.
As optimization, described sealed adapter sleeve comprises sealed adapter sleeve top connection and sealed adapter sleeve lower contact, and wherein, sealed adapter sleeve top connection is provided with external screw thread, and connect blowout hookup, sealed adapter sleeve lower contact is provided with internal thread, connects anti-deflection device.
As optimization, described anti-deflection device comprises packing, presses down the packing pressure cap of packing, tuningout bulb, ball cup, spherical pressure cap, device for adjusting deviation and the hoop be pressed on tuningout bulb, described tuningout bulb is threaded with anti-corrosive apparatus, described device for adjusting deviation is positioned at below described spherical pressure cap, and described hoop is positioned at below described device for adjusting deviation.
The beneficial effect of jack well multifunctional polished rod sealer of the present invention is:
This jack well multifunctional polished rod sealer, design science, easy to use, have employed the mode that horizontal tuningout and universal tuningout connect and enhance tuningout effect; There is good blowout prevention effect and antiseptic effect; Decrease well head and well site pollution, reduce the labour intensity of worker; Extend polished rod and packing application life, avoid the backflow of polished rod break pipeline or well head oil spout causes polluting; Shorten and stop the well time, avoid well of lying, rate when improve oil recovery; Be conducive to cleaner production, energy-saving and emission-reduction, promote harmonious development; There is good actual application value and promotional value.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, this jack well multifunctional polished rod sealer is described further:
Fig. 1 is the structural representation of this jack well multifunctional polished rod sealer.
In figure: 1 is polished rod, 2 is blowout hookup, 2.1 is polished rod working chamber, 2.2 is seal working chamber, 2.3 is seal, 2.4 is back-moving spring, 2.5 is spring capping, 2.6 is lower threaded joint, 3 is anti-corrosive apparatus, 3.1 is dosing mouth, 3.2 is oil pocket, 3.3 is sealed adapter sleeve, 3.3.1 be sealed adapter sleeve top connection, 3.3.2 be sealed adapter sleeve lower contact, 4 is anti-deflection device, 4.1 is packing pressure cap, 4.2 is packing, 4.3 be spherical pressure cap, 4.4 be tuningout bulb, 4.5 is ball cup, 4.6 is device for adjusting deviation, 4.7 is hoop.
Detailed description of the invention
For making object of the present invention, technical scheme and advantage clearly understand, to develop simultaneously embodiment referring to accompanying drawing, the present invention is described in more detail.
As shown in Figure 1, this jack well multifunctional polished rod sealer, comprise the blowout hookup 2, anti-corrosive apparatus 3 and the anti-deflection device 4 that connect successively from top to bottom, polished rod 1 passes from their centers; Described anti-corrosive apparatus 3 comprises the sealed adapter sleeve 3.3 connecting blowout hookup 2 and anti-deflection device 4, the oil pocket 3.2 be located at the dosing mouth 3.1 outside sealed adapter sleeve 3.3 and be located in sealed adapter sleeve 3.3.
Described blowout hookup 2 comprises for the polished rod working chamber 2.1 through polished rod 1, for sealing the seal working chamber 2.2 of described polished rod working chamber 2.1, seal 2.3, back-moving spring 2.4, spring capping 2.5 and lower threaded joint 2.6, described back-moving spring 2.4 one end is pressed on seal 2.3, and the other end is pressed on spring capping 2.5; Described seal working chamber 2.2 is cylindrical cavity; Described seal 2.3 is nylon seal, and described nylon seal is cylinder.
Described sealed adapter sleeve 3.3 comprises sealed adapter sleeve top connection 3.3.1 and sealed adapter sleeve lower contact 3.3.2, wherein, sealed adapter sleeve top connection 3.3.1 is provided with external screw thread, connects blowout hookup 2, sealed adapter sleeve lower contact 3.3.2 is provided with internal thread, connects anti-deflection device 4.
Described anti-deflection device 4 comprises packing 4.2, presses down the packing pressure cap 4.1 of packing 4.2, tuningout bulb 4.4, ball cup 4.5, the spherical pressure cap 4.3 be pressed on tuningout bulb 4.4, device for adjusting deviation 4.6 and hoop 4.7, described tuningout bulb 4.4 is threaded with anti-corrosive apparatus 3, described device for adjusting deviation 4.6 is positioned at below described spherical pressure cap 4.3, described hoop 4.7 is positioned at below described device for adjusting deviation 4.6, and the mode connected by the horizontal tuningout of employing and universal tuningout like this further enhancing tuningout effect.
The operating principle of this jack well multifunctional polished rod sealer is:
1. anti-bias principle: pull device for adjusting deviation 4.6 and axial wobble tuningout bulb 4.4 to make well head concentric with polished rod 1 in both the horizontal and vertical directions by radial direction, keeps polished rod 1 centering.
2. antiseptic principle: reduce thinner to the corrosion of polished rod by adding corrosion inhibiter at well head cavity; Be specially: utilize lubrication and diaphragm principle, first unload blowout hookup 2, in oil pocket 3.2, add corrosion inhibiter, set up blowout hookup 2, then squeeze into butter by dosing mouth 3.1 to oil pocket 3.2 with grease gun, alleviate bare rod corrosion.
3. blowout prevention principle: the principle utilizing nylon low-resistance wear-resistance, anti-corrosive apparatus 3 is installed blowout hookup 2, namely a cylindrical cavity is opened at cavity level place, in chamber, cylinder nylon seal withstands on polished rod 1 by back-moving spring 2.4, when polished rod 1 breaks, back-moving spring 2.4 promotes cylinder nylon seal and seals polished rod working chamber 2.1, prevents crude oil from spraying.
In addition, blowout hookup 2 also can support the use with common packing box, can be connected directly between the top of common packing box during use.When after light rod-broken, when polished rod falls into wellhead packing box with upper/lower positions, the sealed under pressure polished rod working chamber 2.1 of seal 2.3 in the active force and well of back-moving spring 2.4, thus prevent crude oil ejection in well from polluting.
By installing this jack well multifunctional polished rod sealer on 67 mouthfuls of oil wells, these well average production times are 142 days at present, do not occur that three anti-polished rod stuffing boxs stop the problem of well.In addition, by using this jack well multifunctional polished rod sealer, decreasing well head and well site pollution, reducing the labour intensity of worker; Extend polished rod and packing application life, avoid the backflow of polished rod break pipeline or well head oil spout causes polluting; Shorten and stop the well time, avoid well of lying, rate when improve oil recovery; Be conducive to cleaner production, energy-saving and emission-reduction, promote harmonious development.
Above-mentioned detailed description of the invention is only concrete case of the present invention, and be not restriction the present invention being made to other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent implementations of equivalent variations.But every do not depart from the prerequisite of the technology of the present invention principle under, any simple modification, equivalent variations and the remodeling done above embodiment according to technical spirit of the present invention, all should fall into scope of patent protection of the present invention.

Claims (6)

1. a jack well multifunctional polished rod sealer, is characterized in that: comprise the blowout hookup (2), anti-corrosive apparatus (3) and the anti-deflection device (4) that connect successively from top to bottom, polished rod (1) passes from their centers; Described anti-corrosive apparatus (3) comprise connect blowout hookup (2) and anti-deflection device (4) sealed adapter sleeve (3.3), be located at sealed adapter sleeve (3.3) dosing mouth outward (3.1) and be located at the oil pocket (3.2) in sealed adapter sleeve (3.3).
2. jack well multifunctional polished rod sealer as claimed in claim 1, it is characterized in that: described blowout hookup (2) comprises for the polished rod working chamber (2.1) through polished rod (1), for sealing the seal working chamber (2.2) of described polished rod working chamber (2.1), seal (2.3), back-moving spring (2.4), spring capping (2.5) and lower threaded joint (2.6), described back-moving spring (2.4) one end is pressed on seal (2.3), and the other end is pressed on spring capping (2.5).
3. jack well multifunctional polished rod sealer as claimed in claim 2, is characterized in that: described seal working chamber (2.2) is cylindrical cavity.
4. jack well multifunctional polished rod sealer as claimed in claim 3, it is characterized in that: described seal (2.3) is nylon seal, described nylon seal is cylinder.
5. jack well multifunctional polished rod sealer as claimed in claim 1, is characterized in that: described sealed adapter sleeve (3.3) comprises sealed adapter sleeve top connection (3.3.1) and sealed adapter sleeve lower contact (3.3.2); Sealed adapter sleeve top connection (3.3.1) is provided with external screw thread, and connect blowout hookup (2), sealed adapter sleeve lower contact (3.3.2) is provided with internal thread, connects anti-deflection device (4).
6. jack well multifunctional polished rod sealer as claimed in claim 1, it is characterized in that: described anti-deflection device (4) comprises packing (4.2), press down the packing pressure cap (4.1) of packing (4.2), tuningout bulb (4.4), ball cup (4.5), be pressed in the spherical pressure cap (4.3) on tuningout bulb (4.4), device for adjusting deviation (4.6) and hoop (4.7), described tuningout bulb (4.4) is threaded with anti-corrosive apparatus (3), described device for adjusting deviation (4.6) is positioned at described spherical pressure cap (4.3) below, described hoop (4.7) is positioned at described device for adjusting deviation (4.6) below.
CN201410750037.6A 2014-12-10 2014-12-10 Multifunctional polish rod sealer of pumping well Pending CN104405325A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410750037.6A CN104405325A (en) 2014-12-10 2014-12-10 Multifunctional polish rod sealer of pumping well

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410750037.6A CN104405325A (en) 2014-12-10 2014-12-10 Multifunctional polish rod sealer of pumping well

Publications (1)

Publication Number Publication Date
CN104405325A true CN104405325A (en) 2015-03-11

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Country Status (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110836102A (en) * 2018-08-17 2020-02-25 中国石油化工股份有限公司 Polished rod blowout preventer
CN111119780A (en) * 2019-12-25 2020-05-08 刘光明 Packing box for oil exploitation

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2376531Y (en) * 1999-06-04 2000-05-03 胜利石油管理局孤东采油厂 Polished rod deflection-regulating blowout-prevening sealing for oil pumping machine
CN2755271Y (en) * 2004-11-19 2006-02-01 付万岭 Polish rod sealer of pumping well
CN201443336U (en) * 2009-06-09 2010-04-28 中国石油化工股份有限公司胜利油田分公司桩西采油厂 Polished rod stuffing box
CN203097794U (en) * 2012-09-28 2013-07-31 范增奎 Intelligent hydraulic type wellhead sealer
CN204312012U (en) * 2014-12-10 2015-05-06 胜利油田北方实业集团有限责任公司 Jack well multifunctional polished rod sealer

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2376531Y (en) * 1999-06-04 2000-05-03 胜利石油管理局孤东采油厂 Polished rod deflection-regulating blowout-prevening sealing for oil pumping machine
CN2755271Y (en) * 2004-11-19 2006-02-01 付万岭 Polish rod sealer of pumping well
CN201443336U (en) * 2009-06-09 2010-04-28 中国石油化工股份有限公司胜利油田分公司桩西采油厂 Polished rod stuffing box
CN203097794U (en) * 2012-09-28 2013-07-31 范增奎 Intelligent hydraulic type wellhead sealer
CN204312012U (en) * 2014-12-10 2015-05-06 胜利油田北方实业集团有限责任公司 Jack well multifunctional polished rod sealer

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110836102A (en) * 2018-08-17 2020-02-25 中国石油化工股份有限公司 Polished rod blowout preventer
CN111119780A (en) * 2019-12-25 2020-05-08 刘光明 Packing box for oil exploitation
CN111119780B (en) * 2019-12-25 2021-10-29 大安鸿源管业有限公司 Packing box for oil exploitation

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Application publication date: 20150311

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