CN1804369B - Double autocontrol device capable of preventing crown block from being broken and preventing drill pipe sticking for petroleum well drilling - Google Patents
Double autocontrol device capable of preventing crown block from being broken and preventing drill pipe sticking for petroleum well drilling Download PDFInfo
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- CN1804369B CN1804369B CN 200510129340 CN200510129340A CN1804369B CN 1804369 B CN1804369 B CN 1804369B CN 200510129340 CN200510129340 CN 200510129340 CN 200510129340 A CN200510129340 A CN 200510129340A CN 1804369 B CN1804369 B CN 1804369B
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- electromagnet
- bound
- wire rope
- air
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Abstract
The invention relates to a dual-automatic control device for avoiding the collapse of roof and the jam of drilling tool in the oil field. It is characterized in that: its left and right cases have central hole and vent hole; the left case has a arc positioning slot, two arc venting slot and vent hole; the vent slot is connected to the vent hole; the right case has a drawn rod and steel wire connection; and the drawn rod is connected to the slide block of electromagnetic iron. The invention has the advantages that: it can avoid the movable slide cart impacting the crown block and avoid the jam of drilling tool; it can stop the rotation of drilling cylinder less than 0.3s; it has flexible operation, easy usage, reliability, simple structure and lower cost.
Description
Technical field
The present invention relates to a kind of safety control of oil drilling.
Background technology
In oil drilling, the normal gas with certain pressure that utilizes is controlled the clutch of rig cylinder as power, makes travelling block lifting or parking.On travelling block, carry drilling rod, during near crown sheave, (in 1 second) parking in time in a short period of time, otherwise can collide on the overhead traveling crane, have an accident.The normal at present method of using " air feeding apparatus " to check the rig cylinder, it is to utilize high pressure gas to enter in the brake cylinder, checks the rig cylinder, and travelling block is stopped.The weak point of this method is, mechanical action is too slow, stop to travelling block from the pulling wire rope, institute's palpus time long (tending to) above 5 seconds, can not in time brake, travelling block is bumped against on the overhead traveling crane, have an accident, the sky roof can be collapsed, delay drilling well production, serious meeting causes driller's life security.In winter, the steam in the gas also usually freezes, and influences braking effect, and poor reliability can not fundamentally solve the accident generation that travelling block pushes up the overhead traveling crane that collapses.In addition, when needing to pull out of hole in drilling process, drilling tool can be stuck sometimes, and the driller personnel utilize the weight that shows on the weight indicator to carry drilling rod on slowly, if misoperation will make the drilling tool of down-hole stuck.But the drilling tool in the pit shaft is difficult to control often all at tens tons to more than 200 tons, does not note slightly, will drilling tool is stuck, major accident takes place.It is often very complicated to handle this class accident, consumes a large amount of material resources and fund, needs units up to a million even millions of unit.
Summary of the invention
The objective of the invention is to design the anti-two automatons that push up the anti-bit freezing of overhead traveling crane that collapses of a kind of oil drilling easy to use, reliable, use it can guarantee that the rig cylinder in time stops, preventing to push up and bump overhead traveling crane and prevent bit freezing.
Technical solution of the present invention is to realize like this, the anti-two automatons that push up the anti-bit freezing of overhead traveling crane that collapses of a kind of oil drilling, the wire rope upper end passes across derrick crown wheel below, be fixed on the derrick, the wire rope lower end connects mutually with the pull bar of high speed pressure releasing device, the high speed pressure releasing device is made of by bolted on connection left shell and right shell body together, on a left side, has centre bore on the right shell body respectively, air vent and inlet suction port, air outlet adapter, sealing ring is housed in seal groove, pull bar is installed on right shell body, its special character is, (1) has circular arc locating slot and 2 air vents in the right side of left shell, 2 air bleed slots, air bleed slot and air vent are connected.(2) pull bar of the sliding shoe of electromagnet and high speed pressure releasing device is bound up, and electromagnet is connected by two pointer alarm meters of lead and rig.
Above-mentioned technical solution can also realize like this, the anti-two automatons that push up the anti-bit freezing of overhead traveling crane that collapses of a kind of oil drilling, the wire rope upper end passes across derrick crown wheel below, be fixed on the derrick, its special character is, (1) threephase switch is installed on the lead between motor and the power supply, the lower end of drawing handle and wire rope of threephase switch is bound up.(2) drawing being bound up of the sliding shoe of electromagnet and threephase switch, electromagnet is connected by two pointer alarm meters of lead and rig.
Usefulness of the present invention is: the pull bar of (1) this pair automaton is bound up mutually with the seizing wire that is transverse in the overhead traveling crane below, can prevent that travelling block from pushing up the accident generation of the overhead traveling crane that collapses, pull bar also connects mutually with the sliding shoe of the electromagnet that is connected with the gravity epiphase, can prevent that the down-hole from blocking the accident of drilling tool and taking place, a covering device can solve two difficult problems in the drilling well work.(2) because this device is to adopt the method for pressed gas in the release control system to realize making travelling block to stop, as long as left and right sides housing is rotated mutually less than 15 degree by pull bar, can release the pressure in pipeline and the clutch, the rig cylinder was stopped operating in moment (less than 0.3 second), prevent the accident that travelling block pushes up the overhead traveling crane that collapses, automatically flexibly.(3) owing to have 2 air bleed slots and air vent, spur pull bar forwards, backwards and all can realize release pressure gas in the right side of left shell, easy to use.(4) reliability and durability, be applicable under various adverse circumstances and the weather work, can guarantee operate as normal, but and long-term work can not damage.(5) simple in structure, easily manufactured, cost is low.(6) when the wire rope drum of rig be during by motor drives, available threephase switch replaces the high speed pressure releasing device, still can realize preventing to push up and stride overhead traveling crane and prevent two functions at the stuck drilling tool in down-hole.
Description of drawings
Fig. 1 is the generalized section of the front view of high speed exhauster of the present invention.
Fig. 2 is the right view of high speed exhauster left shell of the present invention.
Fig. 3 is the right view of high speed exhauster of the present invention.
The specific embodiment
On left shell 1, be processed with centre bore 17, air vent 11 and 2 air vents 15, on the right side of left shell 1, be processed with circular- arc locating slot 14 and 2 circular-arc air bleed slots 16, air bleed slot 16 is connected with air vent 15 respectively, and the center of the center line of air bleed slot 16 and air vent 11 is on same circle.On the right side of left shell 1, also have annular seal groove 18, sealing ring 10 is installed in it.Be processed with centre bore, air vent 8 on the right shell body 6, alignment pin 3 is installed on the left side of right shell body 6.By bolt 7 left shell 1 and right shell body 6 are bound up, alignment pin 3 is contained in the locating slot 14.When pulling pull bar 4, left and right sides housing can relatively rotate, and alignment pin 3 can slide in the circular arc locating slot 14 of left shell 1.Have certain thrust between the housing of the left and right sides in order to make, can be between the nut of housing and bolt 7 mounting spring.Sealing ring 2 is installed in the seal groove of left shell 1 right-hand member, is made the junction sealing of left and right sides housing.The sliding shoe 20 of electromagnet 5 is linked together by connecting rod 19 or tightrope and pull bar 4, electromagnet 5 is connected by two pointer alarm meters of lead and rig, wherein the signal pointer of lead and alarm meter is connected, another root lead with regulate pointer and be connected, electromagnet is fixed on the frame.Inlet suction port 12 is being installed on the left shell 1, air outlet adapter 9 is being installed on right shell body 6.
During use, by inlet suction port 12 and air outlet adapter 9 quick gas purger is installed in the gas circuit pipeline of rig, inlet suction port 12 is connected with source of the gas, and air outlet adapter 9 is connected with rig cylinder air bag.When operate as normal, air vent 11 on the left shell 1 and the air vent 8 on the right shell body 6 are connected, and the nut at the two ends of bolt 7 is adjusted to suitable tightness.With diameter is that 5 millimeters seizing wire one end is connected with pull bar 4, makes the seizing wire other end pass across about 4 meters, derrick crown wheel below, is fixedly mounted on the derrick, and the mid portion of seizing wire is by fixed block, and makes it be tightened to suitable degree.In the process that drilling well makes a trip, when travelling block rises to 4 meters, crown sheave below, it will spur the pull bar 4 of thin steel cable and high speed pressure releasing device, and left and right sides housing is rotated mutually, as long as rotate 15 degree, when air vent 8 and circular-arc air bleed slot 16 are communicated with, pressed gas in the rig cylinder air bag was laid down in moment, cylinder is stopped operating at once, also promptly the stopping of travelling block rises, the accident of avoiding colliding overhead traveling crane takes place, and can ensure safety in production.In the process that plays drilling rod, when the signal pointer of two pointer alarm meters contacts with the adjusting pointer, electromagnet 5 will be switched on, sliding shoe 20 is by connecting rod 19 or tightrope pulling pull bar 4, left and right sides housing 1,6 is rotated mutually, the pressed gas in the rig cylinder air bag was laid down in moment, cylinder stops operating at once, also promptly the stopping of travelling block rises, and avoids the accident of down-hole bit freezing to take place.
When the cylinder of rig is during by motor drives, motor output shaft directly connects with drum shaft mutually by shaft coupling, at this moment available threephase switch replaces the high speed pressure releasing device, a threephase switch promptly is installed on the lead between motor and the power supply, this threephase switch draw and the lower end of seizing wire is bound up, simultaneously and the sliding shoe 20 of electromagnet 5 draw handle to be bound up by connecting rod 19 or tightrope and threephase switch.When travelling block rose to the crown sheave below, it will spur thin steel cable, and threephase switch is drawn back, and the motor outage stops operating wire rope drum, prevented that travelling block from pushing up the overhead traveling crane of the rig that collapses.In the process that plays drilling rod, when the signal pointer of two pointer alarm meters contacts with the adjusting pointer, electromagnet 5 will be switched on, sliding shoe 20 is by connecting rod 19 or tightrope pulling threephase switch, the motor outage, wire rope drum is stopped operating, and also promptly the stopping of travelling block rises, and avoids the accident of down-hole bit freezing to take place.This device is applicable to the safety control in the oil drilling, prevents that serious accident from taking place.
Claims (2)
1. the anti-top of an oil drilling two automatons of the anti-bit freezing of overhead traveling crane that collapse, the wire rope upper end passes across derrick crown wheel below, be fixed on the derrick, the pull bar (4) of wire rope lower end and high speed pressure releasing device connects mutually, the high speed pressure releasing device is bound up by bolt (7) by left shell (1) and right shell body (6) and constitutes, on left shell, has centre bore (17), air vent (11), and inlet suction port (12) is installed, has centre bore on the right shell body, air vent (8), and air outlet adapter (9) is installed, in the annular seal groove (18) on the right side of left shell sealing ring (10) is housed, pull bar (4) is installed on right shell body (6), it is characterized in that:
1. have circular arc locating slot (14) and 2 air vents (15), 2 air bleed slots (16) in the right side of left shell (1), air bleed slot (16) and air vent (15) are connected;
2. the pull bar (4) of the sliding shoe (20) of electromagnet (5) and high speed pressure releasing device is bound up, and electromagnet (5) is connected by two pointer alarm meters of lead and rig.
2. the anti-two automatons that push up the anti-bit freezing of overhead traveling crane that collapses of oil drilling pass across derrick crown wheel below on the wire rope, are fixed on the derrick, it is characterized in that:
1. a threephase switch is installed on the lead between motor and the power supply, and the lower end of drawing handle and wire rope of threephase switch is bound up;
2. the handle that draws of the sliding shoe (20) of electromagnet (5) and threephase switch is bound up, and electromagnet is connected by two pointer alarm meters of lead and rig.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510129340 CN1804369B (en) | 2005-11-30 | 2005-11-30 | Double autocontrol device capable of preventing crown block from being broken and preventing drill pipe sticking for petroleum well drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510129340 CN1804369B (en) | 2005-11-30 | 2005-11-30 | Double autocontrol device capable of preventing crown block from being broken and preventing drill pipe sticking for petroleum well drilling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1804369A CN1804369A (en) | 2006-07-19 |
| CN1804369B true CN1804369B (en) | 2011-12-07 |
Family
ID=36866498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510129340 Expired - Fee Related CN1804369B (en) | 2005-11-30 | 2005-11-30 | Double autocontrol device capable of preventing crown block from being broken and preventing drill pipe sticking for petroleum well drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1804369B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1266975A1 (en) * | 1985-07-04 | 1986-10-30 | Андижанское Специальное Проектно-Конструкторское Бюро Всесоюзного Производственного Объединения "Союзнефтеавтоматика" | Apparatus for identifying idle strokes of crown block system of drilling rig |
| CN85202160U (en) * | 1985-06-05 | 1987-08-12 | 西安飞机制造公司 | Electromechanic controlling anti-bumping crown block |
| WO1999051849A1 (en) * | 1998-04-02 | 1999-10-14 | Noble Engineering And Development Ltd. | Method and system for optimizing penetration rate |
-
2005
- 2005-11-30 CN CN 200510129340 patent/CN1804369B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85202160U (en) * | 1985-06-05 | 1987-08-12 | 西安飞机制造公司 | Electromechanic controlling anti-bumping crown block |
| SU1266975A1 (en) * | 1985-07-04 | 1986-10-30 | Андижанское Специальное Проектно-Конструкторское Бюро Всесоюзного Производственного Объединения "Союзнефтеавтоматика" | Apparatus for identifying idle strokes of crown block system of drilling rig |
| WO1999051849A1 (en) * | 1998-04-02 | 1999-10-14 | Noble Engineering And Development Ltd. | Method and system for optimizing penetration rate |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1804369A (en) | 2006-07-19 |
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| C10 | Entry into substantive examination | ||
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Granted publication date: 20111207 Termination date: 20141130 |
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| EXPY | Termination of patent right or utility model |