CN202850945U - Compound seal plug valve with automatic-manual dual control function - Google Patents
Compound seal plug valve with automatic-manual dual control function Download PDFInfo
- Publication number
- CN202850945U CN202850945U CN 201220533734 CN201220533734U CN202850945U CN 202850945 U CN202850945 U CN 202850945U CN 201220533734 CN201220533734 CN 201220533734 CN 201220533734 U CN201220533734 U CN 201220533734U CN 202850945 U CN202850945 U CN 202850945U
- Authority
- CN
- China
- Prior art keywords
- piston
- rack
- plug valve
- faucet body
- hole
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Fluid-Driven Valves (AREA)
- Taps Or Cocks (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The utility model provides a compound seal plug valve with an automatic-manual dual control function. A piston cylinder parallel to an inner cavity of a plug cock body is arranged on the side wall of the plug cock body, a plug pull-out switch shaft gear connected with a center hole ring seal ball is arranged in the piston cylinder, and a piston rack meshed with the plug pull-out switch shaft gear is arranged on the side wall of the piston cylinder. An upper pressure propagation piston is arranged between a technological plug and the piston rack, and pressure propagation liquid material is filled between the upper pressure propagation piston and the piston rack. A lower pressure propagation piston is arranged between the piston rack and the bottom of the piston cylinder, and pressure propagation liquid material is filled between the lower pressure propagation piston and the piston rack. According to the compound seal plug valve with the automatic-manual dual control function, when a well kick or blowout accident happens, a single-way valve sealing element has an seal effect first, and the plug valve has an closing effect again, and then the function of compound seal is formed, and thus the well control is safe and reliable.
Description
Technical field
The utility model relates to a kind of interior blowout hookup of well control of oil drilling well workover, refers to especially a kind of compound sealing rotary plug valve with automatic control, manual dual control function.
Background technology
At oil drilling, when well is repaiied, produce the well kick blowout when being higher than drilling mud pressure owing to oil pressure air pressure in the oil-gas Layer, cause personal injury and heavy economic losses, plug valve can be controlled interior blowout prevention when the well kick blowout.Full armrest was moving when the well kick blowout in the past closes because the drill string position closes inconvenience, closes the untimely out-of-control phenomenon that often has, and when normal drilling well since plug valve close, when forgetting that opening plug valve causes slush pump to open, pressure raises, and the mud pipe racks that rises brokenly produces casualty accident.Main is to know that when the well control operation up and down pressure at two ends is not poor, and blindly opening plug valve also may cause blowout, and automatic control only has upper end pressure to be higher than lower end pressure could automatically to open plug valve and carry out kill job.
The utility model content
The utility model proposes a kind of compound sealing rotary plug valve with automatic control, manual dual control function, when the turn on pump drilling well, automatically open plug valve, when bottom hydrocarbon slurry pressure surpasses the pressure of slush pump when the well kick blowout, the plug valve autoshutdown, and one way valve seal sealing, by the further effectively interior blowout prevention of control of compound sealing, and under special circumstances also can be manual.
A kind of compound sealing rotary plug valve with automatic control, manual dual control function that the utility model proposes, this compound sealing rotary plug valve includes faucet body, the upper outside of faucet body has been threaded connection the cock top connection, is provided with in turn ring sealing base, mesopore ring packing ball, lower ring sealing base in the inner chamber of faucet body.
Have the piston rod that parallels with the inner chamber of faucet body in the sidewall of described faucet body, it is stifled that the top of this piston rod is provided with technique, and the bottom of this piston rod is communicated with the lower lumen of faucet body by the first through hole.
Be provided with the switch shaft gear of drawing the cork that is connected with described mesopore ring packing ball in the described piston rod, and be provided with the piston-rack that is meshed with the switch shaft gear of drawing the cork on the sidewall of this piston rod; The stifled below of described technique is provided with the second through hole with the top intracavity inter-connection of faucet body, be provided with upward pressure between the stifled and piston-rack of described technique and transmit piston, and this upward pressure transmits between piston and the piston-rack and is filled with pressure transmit fluid material; Be provided with downforce and transmit piston between piston-rack and piston rod bottom, this downforce is transmitted between piston and the piston-rack and is filled with pressure transmit fluid material.
Described lower ring sealing base below is provided with the one way valve seal, and the below of this one way valve seal is connected with the one way valve supporting seat, and this one way valve supporting seat has spring support, is connected by the bottom of this spring support with the one way valve seal.
Described downforce is transmitted the height of piston greater than the diameter of the first through hole.Described upward pressure transmits the height of piston greater than the diameter of the second through hole.Described pressure transmit fluid material is hydraulic oil.The center of described one way valve supporting seat has pilot hole, and the arranged outside of pilot hole has the drilling fluid annular through-hole.
The advantage that the utlity model has is:
A kind of compound sealing rotary plug valve with automatic control, manual dual control function of the utility model is used for blowout hookup in the well control of oil drilling, well workover, can automatically control or the plug valve opening and closing are finished in manual control.Overcome in the past and closed because of plug valve, and the mud band that rises brokenly, thereby the human casualty accident that occurs.Plug valve cut out again after the one way valve seal sealed in advance when the well kick blowout, and then had formed the function of compound sealing, and well control is safe and reliable, and under special circumstances also can be manual.
Description of drawings
Fig. 1 is a kind of structural representation with compound sealing rotary plug valve of automatic control, manual dual control function that the utility model proposes;
Fig. 2 is piston-rack and the structural representation of switch shaft gear of drawing the cork in the utility model;
Fig. 3 is the plane structure schematic diagram of one way valve supporting seat in the utility model;
Fig. 4 is the side structure schematic diagram of one way valve supporting seat in the utility model.
Among the figure:
The 1-faucet body;
The 2-technology groove;
The upper ring-like seal receptacle of 3-;
The ring-like ball sealer of 4-mesopore;
Ring-like seal receptacle under the 5-;
6-one way valve seal;
7-one way valve supporting seat;
8-cock top connection;
9-technique is stifled;
10-the second through hole;
The 11-upward pressure transmits piston;
12,15-pressure transmit fluid material;
The 13-piston-rack;
The 14-switch shaft gear of drawing the cork;
The 16-downforce is transmitted piston;
17-the first through hole;
18-lower contact screw thread;
The 701-pilot hole;
702-drilling fluid annular through-hole.
The specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments, so that those skilled in the art can better understand the utility model and being implemented, but illustrated embodiment is not as to restriction of the present utility model.
Present embodiment provides a kind of compound sealing rotary plug valve with automatic control, manual dual control function, is used for blowout hookup in the well control of oil drilling, well workover, can automatically control or the plug valve opening and closing are finished in manual control.When drilling well, the drilling well of well workover slush pump turn on pump, the pressure of drilling fluid is opened plug valve automatically, makes drilling fluid pass through plug valve.Normally carry out drilling well, well workover, when well kick, blowout, because the pressure of the drilling fluid of plug valve bottom and oil, natural gas raises, when being higher than the pressure of slush pump drilling well, the plug valve autoshutdown is controlled the well kick blowout and is prevented gas blowout accident.
The compound sealing rotary plug valve with automatic control, manual dual control function that the utility model proposes, this compound sealing rotary plug valve includes faucet body 1, the upper outside of faucet body 1 has been threaded connection cock top connection 8, the centre of the inner chamber of faucet body 1 is provided with ring sealing base 3, mesopore ring packing ball 4, lower ring sealing base 5 in turn, the faucet body inner chamber of upper ring sealing base 3 tops is faucet body top inner chamber, and the faucet body inner chamber of lower ring sealing base 5 belows is called the faucet body lower lumen.
Axially be provided with the piston rod that parallels with the inner chamber of faucet body 1 on the sidewall of faucet body 1, this piston rod is provided with the switch shaft gear 14 of drawing the cork that is connected with mesopore ring packing ball 4 in the position of corresponding mesopore ring packing ball 4, and be provided with draw the cork switch shaft gear 14 of correspondence on two parallel side walls of this piston rod and rotate the piston-rack 13 that is meshed, piston-rack 13 can move, what switch shaft gear 14 can be by piston-rack 13 in order to draw the cork moves and then meshes rotation, as shown in Figure 2, this position of drawing the cork switch shaft gear 14 is fixed, but can under the drive that piston-rack 13 moves, realize rotating, and the switch shaft gear 14 of drawing the cork rotates the rotation that realizes control mesopore ring packing ball 4 by the engagement under driving at piston-rack 13.The piston rod that is positioned at draw the cork switch shaft gear 14 and piston-rack 13 tops is called the upper piston cylinder, and the piston rod that is positioned at draw the cork switch shaft gear 14 and piston-rack 13 belows is called the lower piston cylinder.It is stifled 9 that the top of upper piston cylinder is provided with technique, is provided with the second through hole 17 with faucet body top intracavity inter-connection below technique stifled 9, and the bottom of lower piston cylinder is communicated with the faucet body lower lumen by the first through hole 10.Between technique stifled 9 and piston-rack 13, be provided with upward pressure and transmit piston 11, and this upward pressure transmits between piston 11 and the piston-rack 13 and is filled with pressure transmit fluid material 12, between piston-rack 13 and lower piston cylinder bottom section, be provided with downforce and transmit piston 16, and the height of this downforce transmission piston 16 is higher than the diameter of the first through hole 17, in order to avoid the pressure transmit fluid material 15 that downforce is transmitted between piston 16 and the piston-rack 13 flows in the first through hole 17, the height of in like manner upward pressure transmission piston 11 is higher than the diameter of the second through hole 10.Be provided with one way valve seal 6 in the faucet body lower lumen, the below of this one way valve seal 6 is provided with one way valve supporting seat 7, and this one way valve supporting seat has spring support, is connected by the bottom of this spring support with one way valve seal 6.This one way valve supporting seat and faucet body lower lumen are threaded connection.As shown in Figure 3 and Figure 4, wherein the center of this one way valve supporting seat has pilot hole 701, the arranged outside of pilot hole has drilling fluid annular through-hole 702, and this drilling fluid annular through-hole 702 can arrange a plurality of as required, also design size as required.Can be provided with technology groove 2 on the opposite side sidewall of faucet body 1, and the bottom of faucet body can be connected with the cock lower contact by lower contact screw thread 18.
In drilling process, when producing the well kick blowout, the drilling fluid of plug valve lower end, oil, natural gas boost 6 sealings of one way valve seal, well control prevents blowout in advance, but pressure raises, at this moment drilling fluid, oil, natural gas enter the piston rod bottom by the first through hole 17 through holes, promote downforce and transmit piston 16, downforce is transmitted piston 16 and is promoted pressure transmit fluid material 16, by pressure transmit fluid material piston-rack 13 is moved, and then make the switch shaft gear 14 of drawing the cork rotate 90 °, and then cut-out tap valve control well kick blowout.Close the operation inconvenience of being inconvenient to bring because of the plug valve position when overcoming the well kick blowout by the utility model, thereby it is out of control to have avoided plug valve to close the untimely well control that causes, and then causes the accident.Plug valve cut out after the utility model one way valve seal 6 when the well kick blowout sealed in advance, and then had formed the function of compound sealing, made well control safe and reliable.
Normal drilling well, if plug valve closed condition, mud pressure raise after slush pump was opened, and transmit second through hole 10 at piston 11 places by upward pressure, mud enters piston rod, promote upward pressure and transmit piston 11, upward pressure transmits piston 11 and promotes upward pressure transmit fluid material 12, upward pressure transmit fluid material 12 pushing piston tooth bars 13, piston-rack 13 moves, and drives the switch shaft gear 14 of drawing the cork and rotates, and the switch shaft gear 14 of drawing the cork rotates and drives 90 ° of mesopore ring packing ball 4 rotations, open from being closed to, this process is automatic control.
Plug valve is leaving when normal drilling well, when at this moment well kick blowout, mud (drilling fluid) or oil, natural gas is upwards poured into spray, at this moment one way valve seal 6 is under the transmit fluid material 15 that upwards pressure promotes, upwards internal taper hole (faucet body lower lumen) Partial Blocking with faucet body seals, and mud, the oil sky, right gas is by the first through hole 17, enter the piston rod bottom, promote downforce and transmit piston 16, downforce is transmitted piston 16 and is promoted pressure transmit fluid material 15 (hydraulic oil), pressure transmit fluid material 15 promotes rack piston 13, and rack piston 13 moves up, and drives the switch shaft gear 14 of drawing the cork and rotates, the switch shaft gear 14 of drawing the cork is being dialled mesopore ring packing ball 4 and is being rotated 90 °, forward fastening position to from the position of opening, the blowout of control well kick, this process also is referred to as automatic control.The power of automatic control is fully from the pressure downward or upward of drilling fluid, and is mobile downward or upward by pressure control piston tooth bar 13, controls the switch shaft gear 14 of drawing the cork and rotate, and mesopore ring packing ball 4 rotated open or close.And the hole that a cubic hole or other shapes are arranged at switch shaft gear 14 centers of drawing the cork, be convenient to realize manual control, as shown in Figure 2, rotate with cubic spanner or other spanners, driving mesopore ring packing ball 4 by the switch shaft gear 14 of drawing the cork rotates, realize opening or closing, during for the special circumstances use and maintenance.
The above embodiment is the preferred embodiment that proves absolutely that the utility model is lifted, and protection domain of the present utility model is not limited to this.Being equal to that those skilled in the art do on the utility model basis substitutes or conversion, all within protection domain of the present utility model.Protection domain of the present utility model is as the criterion with claims.
Claims (5)
1. compound sealing rotary plug valve with automatic control, manual dual control function, this compound sealing rotary plug valve includes faucet body, the upper outside of faucet body has been threaded connection the cock top connection, be provided with in turn ring sealing base, mesopore ring packing ball, lower ring sealing base in the inner chamber of faucet body, it is characterized in that:
Have the piston rod that parallels with the inner chamber of faucet body in the sidewall of described faucet body, it is stifled that the top of this piston rod is provided with technique, and the bottom of this piston rod is communicated with the lower lumen of faucet body by the first through hole;
Be provided with the switch shaft gear of drawing the cork that is connected with described mesopore ring packing ball in the described piston rod, and be provided with the piston-rack that is meshed with the switch shaft gear of drawing the cork on the sidewall of this piston rod; The stifled below of described technique is provided with the second through hole with the top intracavity inter-connection of faucet body, be provided with upward pressure between the stifled and piston-rack of described technique and transmit piston, and this upward pressure transmits between piston and the piston-rack and is filled with pressure transmit fluid material; Be provided with downforce and transmit piston between piston-rack and piston rod bottom, this downforce is transmitted between piston and the piston-rack and is filled with pressure transmit fluid material;
Described lower ring sealing base below is provided with the one way valve seal, and the below of this one way valve seal is connected with the one way valve supporting seat, and this one way valve supporting seat has spring support, is connected by the bottom of this spring support with the one way valve seal.
2. the compound sealing rotary plug valve with automatic control, manual dual control function according to claim 1 is characterized in that: described downforce is transmitted the height of piston greater than the diameter of the first through hole.
3. the compound sealing rotary plug valve with automatic control, manual dual control function according to claim 1 is characterized in that: described upward pressure transmits the height of piston greater than the diameter of the second through hole.
4. the compound sealing rotary plug valve with automatic control, manual dual control function according to claim 1, it is characterized in that: described pressure transmit fluid material is hydraulic oil.
5. the compound sealing rotary plug valve with automatic control, manual dual control function according to claim 1, it is characterized in that: the center of described one way valve supporting seat has pilot hole, and the arranged outside of pilot hole has the drilling fluid annular through-hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220533734 CN202850945U (en) | 2012-10-18 | 2012-10-18 | Compound seal plug valve with automatic-manual dual control function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220533734 CN202850945U (en) | 2012-10-18 | 2012-10-18 | Compound seal plug valve with automatic-manual dual control function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202850945U true CN202850945U (en) | 2013-04-03 |
Family
ID=47982155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220533734 Expired - Fee Related CN202850945U (en) | 2012-10-18 | 2012-10-18 | Compound seal plug valve with automatic-manual dual control function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202850945U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102877814A (en) * | 2012-10-18 | 2013-01-16 | 蒙善祥 | Composite sealing plug valve with automatic control and manual control double control functions |
| CN103742105A (en) * | 2014-02-08 | 2014-04-23 | 东营市创元石油机械制造有限公司 | Multifunctional cock valve for petroleum drilling |
| WO2015077849A1 (en) * | 2013-11-28 | 2015-06-04 | Slim Drilling Serviços De Perfuração S.A. | Assemply and arrangement for a drilling column composed of smooth rods for a system to prevent ingress in the stage of drilling oil/gas wells |
| CN110005362A (en) * | 2019-04-18 | 2019-07-12 | 江苏新彩阳机电技术有限公司 | A kind of manual spraying prevention switch valve in underground |
-
2012
- 2012-10-18 CN CN 201220533734 patent/CN202850945U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102877814A (en) * | 2012-10-18 | 2013-01-16 | 蒙善祥 | Composite sealing plug valve with automatic control and manual control double control functions |
| WO2015077849A1 (en) * | 2013-11-28 | 2015-06-04 | Slim Drilling Serviços De Perfuração S.A. | Assemply and arrangement for a drilling column composed of smooth rods for a system to prevent ingress in the stage of drilling oil/gas wells |
| CN103742105A (en) * | 2014-02-08 | 2014-04-23 | 东营市创元石油机械制造有限公司 | Multifunctional cock valve for petroleum drilling |
| CN110005362A (en) * | 2019-04-18 | 2019-07-12 | 江苏新彩阳机电技术有限公司 | A kind of manual spraying prevention switch valve in underground |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202850945U (en) | Compound seal plug valve with automatic-manual dual control function | |
| CN102877814A (en) | Composite sealing plug valve with automatic control and manual control double control functions | |
| CN201672084U (en) | Hard sealing plug valve | |
| CN205823234U (en) | A kind of relief valve | |
| CN208764356U (en) | A kind of hand liquid-operated flat valve | |
| CN203948679U (en) | Straight journey hand automatic control check valve | |
| CN104595553A (en) | Counting manual electric hydraulic control sluice valve | |
| CN203347736U (en) | Water-injection packer capable of being subjected to deblocking step by step | |
| CN214036341U (en) | Screw rod boosting type hydraulic oil cylinder | |
| CN204717028U (en) | Pressure break ball screw flap type | |
| CN206111160U (en) | Eccentric orfice revolves automatic ball injector system of piece formula | |
| CN104213867A (en) | Multifunctional water well packer | |
| CN204094186U (en) | High pressure manual hole making drill | |
| CN204782899U (en) | Worm-linked oil pumping unit wellhead sealer | |
| CN202338657U (en) | Quick-close type double-pin plug valve | |
| CN210510298U (en) | Electromagnetic type gas emergency cut-off valve for natural gas | |
| CN204041005U (en) | A kind of new gear rack-and-pinion drilling safety valve | |
| CN201420501Y (en) | Hydraulic rotary table | |
| CN201924886U (en) | Selective well completion switching tool of oil and gas well with controllable applied force | |
| CN206246802U (en) | The manual integrated device of hydraulic control | |
| CN210918984U (en) | Downhole throttling test valve | |
| CN201507273U (en) | Kelly bar splash valve | |
| CN2740771Y (en) | Self-pulping arrow back pressure valve | |
| CN204163058U (en) | A kind of water conservancy valve opening and closing device | |
| CN203050624U (en) | Lifting type tube column internal control tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130403 Termination date: 20141018 |
|
| EXPY | Termination of patent right or utility model |