CN205805486U - A kind of rod-pumped well controls spray apparatus - Google Patents
A kind of rod-pumped well controls spray apparatus Download PDFInfo
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- CN205805486U CN205805486U CN201620503003.1U CN201620503003U CN205805486U CN 205805486 U CN205805486 U CN 205805486U CN 201620503003 U CN201620503003 U CN 201620503003U CN 205805486 U CN205805486 U CN 205805486U
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- pumped well
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Abstract
The utility model discloses a kind of rod-pumped well and control spray apparatus.Control spray apparatus two half shells to being respectively fitted with half packing of circular arc on buckle side, after two half shell make-ups are fixing, half packing in two half shells is end to end and forms the annulus packing that sealing shroud is contained on the periphery of polished rod.So when running into blowout phenomenon, from the opposite sides of polished rod, two can be fixed on the periphery of polished rod with the half shell make-up of half packing, after the most again two half shells being relatively fixed, two half shells and on half packing on the periphery of polished rod, just form the packing box that is fixed on polished rod, so at polished rod and sucker rod below, in the deadweight of the parts such as plunger and plunger under oil liquid pressure effect above inlet valve, this packing box can be pressed on the end face of wellhead sealing device, to realize the closure to well head, that therefore controls in this utility model that spray apparatus can be convenient and reliable is arranged on polished rod, and the wellhead sealing device of blowout can be played stable plugging effect.
Description
Technical field
This utility model relates to a kind of rod-pumped well and controls spray apparatus.
Background technology
At present, thermal production well in process of production, due to by offset well steam injection, note nitrogen affected, vapour (gas) is occurred to alter, causing oil well pressure, liquid measure to raise suddenly, if can not find in time, in causing packing box, packing is stung out, seal failure, cause blowout, cause sawing polished rod, closing master valve containment, rate when affecting well recovery, occurrence of large-area contamination accident simultaneously, need to put into substantial amounts of human and material resources and financial resources restoring scene.
Chinese patent literature CN 103233697 A(date of publication is on August 7th, 2013) disclose " well mouth of oil well blowout hookup ", the hat shape shell fixed including two half shell make-ups, the bottom of hat shape shell offers wear jackscrew and anti-for well mouth of oil well Suo device is fixed on the top wire hole of wellhead packing box gland outer circumferential side, it is formed with gap between bottom and the outer wall of described wellhead packing box gland of the inwall of hat shape shell, it is installed with ring-type packing pallet in the cavity of hat shape shell, there is between packing pallet and top cover the accommodation space in order to accommodating packing.In use, first under shutdown of pumping machine state, packing is arranged in the accommodation space of a half shell, again this half shell is contained on polished rod by the inner hole sleeve of packing, secondly another half shell make-up is fixed in above-mentioned half shell, by screw, two half shells are locked, again, fixing jackscrew is used to be integrally attached on the packing gland of wellhead sealing device by this device, so in oil pumping process, after well liquid sprays from wellhead sealing device, the well liquid of ejection is blocked in the cavity between packing and packing gland by packing, and flow on oil drain pan by the gap between bottom and the outer wall of packing gland of hat shape cap body, realize the purpose of blowout prevention draining.But because in this anti-block apparatus, packing need to be inserted in from the end of polished rod and installs, and the length of polished rod is relatively big, so this anti-block apparatus exists the problem that installation difficulty is big.Simultaneously, because this anti-block apparatus still recovering the oil between packing with polished rod guide the form coordinated up and down, so when occurring vapour (gas) to alter, oil well inner high voltage gas or liquid remain able to spray from the gap between polished rod and packing, make well mouth of oil well that blowout phenomenon occur, surrounding is polluted, substantial amounts of human and material resources and financial resources restoring scene need to be put into.
Utility model content
The purpose of this utility model is to provide a kind of rod-pumped well and controls spray apparatus, it is intended to solves packing in existing blowout hookup and need to be inserted in, from the end of polished rod, the problem that caused installation process wastes time and energy.
In order to realize object above, in this utility model, to control the technical scheme of spray apparatus as follows for rod-pumped well:
Rod-pumped well controls spray apparatus, including piecing together two half shells of the body being sleeved on polished rod periphery for make-up and for inciting somebody to action both relatively-stationary fixed structures after two half shell make-up splits, two half shells have indent circular arc to buckle side, two half shells to half packing being respectively fitted with circular arc on buckle side, after two half shell make-ups are fixing, half packing in two half shells is end to end and forms the annulus packing that sealing shroud is contained on the periphery of polished rod.
Half shell and half packing thereon form the slips of circular arc, and this slips is semicircle shell-like, and slips has inner concave and the arcuate surface of the half shell arc-shaped of the side of half packing dorsad of the arc-shaped residing for half packing.
Fixed structure includes the fixed mount for being fastened in the body that two half shell make-ups are put together, and fixed mount has the receiving hole for accommodating described body, and the side hole wall of receiving hole offers the installation gap radially loaded for described body.
Fixed mount is the C-shaped snap ring of major arc shape.
The jackscrew for half shell being held out against the most radially it is installed with to the direction near polished rod on the hole wall of receiving hole.
Jackscrew has two or more circumferentially-spaced uniform in receiving hole.
This utility model is controlled spray apparatus two half shells to being respectively fitted with half packing of circular arc on buckle side, after two half shell make-ups are fixing, half packing in two half shells is end to end and forms the annulus packing that sealing shroud is contained on the periphery of polished rod.So when running into blowout phenomenon, from the opposite sides of polished rod, two can be fixed on the periphery of polished rod with the half shell make-up of half packing, after the most again two half shells being relatively fixed, two half shells and on half packing on the periphery of polished rod, just form the packing box that is fixed on polished rod, so at polished rod and sucker rod below, in the deadweight of the parts such as plunger and plunger under oil liquid pressure effect above inlet valve, this packing box can be pressed on the end face of wellhead sealing device, to realize the closure to well head, that therefore controls in this utility model that spray apparatus can be convenient and reliable is arranged on polished rod, and the wellhead sealing device of blowout can be played stable plugging effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment of the present utility model.
Detailed description of the invention
In this utility model, rod-pumped well controls the embodiment of spray apparatus: as it is shown in figure 1, it is a kind of device altered by vapour for oilfield pumping well and small-sized blowout occurs that this rod-pumped well controls spray apparatus, be mainly made up of fixation kit and black box two parts.
Black box is made up of two half shells 1 and two and half packings 2.Two half shells 1 are half packing 2 box box body of semicircle shell-like, the opposite sides of two half shells 1 be the buckling surface that can relatively fasten, back be stress surface, buckling surface is the arc surface of indent, and stress surface is the arc surface of evagination, to form the packing box box body of circle shell-like after two half shells 1 fasten relatively.Half packing 2 is semicircular packing, this half packing 2 is fixed on the buckling surface of half shell 1, one and half packings 2 and half shell 1 form the slips of a circular arc, this slips is semicircle shell-like, slips has inner concave and the arcuate surface of half shell 1 arc-shaped of the side of half packing 2 dorsad of the arc-shaped residing for half packing 2, forms the packing box of the round shell-like that sealing shroud is contained on the periphery of polished rod relatively to fasten with two slips.
Fixation kit is made up of the jackscrew 4 of fixed mount 3 and upper spinning thereof.Fixed mount 3 is the C-shaped snap ring having arc, fixed mount 3 has the circular receiving hole on the periphery being fastened in packing box, the side hole wall of receiving hole is provided with the installation gap radially loaded for packing box, to be formed on the periphery of packing box with this fixed mount 3, two half shells 1 in packing box is carried out relatively-stationary fixed structure.Jackscrew 4 has two and circumferentially-spaced layout at fixed mount 3, one end of two jackscrews 4 is exposed in, the other end outer at fixed mount 3 gos deep into receiving hole and is pushed up and is pressed on the stress surface of half shell 1, two half shells 1 to be pressed against on the periphery of polished rod with two jackscrew 4.
In oil pumper production process, after being caused vapour (gas) to alter generation blowout by offset well steam injection, note nitrogen, it is fixed on the present embodiment is controlled spray apparatus on polished rod, it is sitting on wellhead sealing device end face, then in controlling the position side of the beating clamp above spray apparatus on polished rod, and lay down beam rating, by side's clamp, this is controlled spray apparatus and be pressed on the end face of wellhead sealing device, utilize liquid load in sucker rod and well to be pressed in and control on spray apparatus, control oil-well blowing.
The present embodiment is controlled spray apparatus blowout is sawed polished rod phenomenon reduce to 0, in 8 hours, make oil well resume production, and if occurring sawing polished rod phenomenon, oil well resumes production needs 48 hours the soonest, part well also needs to operation and salvages, and the off-time can be longer, controls rate when spray apparatus improves oil recovery hence with this；Utilization is controlled spray apparatus and blowout out of control is become there is control, reduces the pollution state of affairs and expands, and pollution range controls at well head；Reduce manpower, financial resources and material resources to put into.
In other embodiments, this fixed mount can also replace with the fastening assembly of make-up connecting part assembling, the C-shaped collar being fastened on packing box periphery, anchor ear etc. between two half shells.
Claims (6)
1. rod-pumped well controls spray apparatus, including piecing together two half shells of the body being sleeved on polished rod periphery for make-up and for inciting somebody to action both relatively-stationary fixed structures after two half shell make-up splits, two half shells have indent circular arc to buckle side, it is characterized in that, two half shells to half packing being respectively fitted with circular arc on buckle side, after two half shell make-ups are fixing, half packing in two half shells is end to end and forms the annulus packing that sealing shroud is contained on the periphery of polished rod.
Rod-pumped well the most according to claim 1 controls spray apparatus, it is characterized in that, half shell and half packing thereon form the slips of circular arc, and this slips is semicircle shell-like, and slips has inner concave and the arcuate surface of the half shell arc-shaped of the side of half packing dorsad of the arc-shaped residing for half packing.
Rod-pumped well the most according to claim 1 and 2 controls spray apparatus, it is characterized in that, fixed structure includes the fixed mount for being fastened in the body that two half shell make-ups are put together, fixed mount has the receiving hole for accommodating described body, and the side hole wall of receiving hole offers the installation gap radially loaded for described body.
Rod-pumped well the most according to claim 3 controls spray apparatus, it is characterised in that fixed mount is the C-shaped snap ring of major arc shape.
Rod-pumped well the most according to claim 3 controls spray apparatus, it is characterised in that be the most radially installed with the jackscrew for half shell being held out against to the direction near polished rod on the hole wall of receiving hole.
Rod-pumped well the most according to claim 5 controls spray apparatus, it is characterised in that jackscrew has two or more circumferentially-spaced uniform in receiving hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620503003.1U CN205805486U (en) | 2016-05-30 | 2016-05-30 | A kind of rod-pumped well controls spray apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620503003.1U CN205805486U (en) | 2016-05-30 | 2016-05-30 | A kind of rod-pumped well controls spray apparatus |
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| Publication Number | Publication Date |
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| CN205805486U true CN205805486U (en) | 2016-12-14 |
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| CN201620503003.1U Active CN205805486U (en) | 2016-05-30 | 2016-05-30 | A kind of rod-pumped well controls spray apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111255388A (en) * | 2020-01-10 | 2020-06-09 | 中国石油化工股份有限公司 | Opening clamping control device and method |
-
2016
- 2016-05-30 CN CN201620503003.1U patent/CN205805486U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111255388A (en) * | 2020-01-10 | 2020-06-09 | 中国石油化工股份有限公司 | Opening clamping control device and method |
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