CN104863502A - Safe drilling device and method for preventing overflow and blowout in gas-bearing soil layers - Google Patents
Safe drilling device and method for preventing overflow and blowout in gas-bearing soil layers Download PDFInfo
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- CN104863502A CN104863502A CN201510195916.1A CN201510195916A CN104863502A CN 104863502 A CN104863502 A CN 104863502A CN 201510195916 A CN201510195916 A CN 201510195916A CN 104863502 A CN104863502 A CN 104863502A
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- drilling rod
- plugging device
- bar
- soil layer
- gas
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
- E21B19/089—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods with a spring or an additional weight
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
- E21B33/126—Packers; Plugs with fluid-pressure-operated elastic cup or skirt
Abstract
The invention discloses a safe drilling device and method for preventing overflow and blowout in gas-bearing soil layers and belongs to the technical field of construction in civil engineering field. The device comprises a total drill pipe comprising a plurality of end-to-end drill pipes, a counter weight arranged at the upper end of the total drill pipe and a drill bit arranged at the lower end of the total drill pipe, wherein inner plugging devices and outer plugging devices are arranged on at least one drill pipe; the inner plugging devices and the outer plugging devices are respectively used for plugging the inner passages and outer passages of the drill pipes when the pressure values in the gas-bearing soil layers exceed the critical value. The functional mechanism of the device conforms to the infestation regularity of drilling in the gas-bearing soil layers and the engineering characteristics of gas-bearing soil are fully considered in design; the device is high in construction efficiency, flexible in arrangement and applicable to the drilling of various gas-bearing soil layers; the whole device guarantees the safety of construction work in drilling process of the gas-bearing soil layers as the path can be immediately blocked to guarantee the safety of personnel and facilities, once overflow and blowout occur.
Description
Technical field
The present invention relates to the safe drill devices and methods therefor of a kind of gassiness soil layer anti-overflow and blowout, belong to the technical field of construction in field of civil engineering, be mainly used in the aspect such as engineering investigation and Construction of Engineering Pile.
Background technology
Gassiness soil layer is the most common with the gas-containing sediment be distributed in Marsh Wetland, river mouth, delta and lake and sea bed.Air in soil body mainly stem from the organic biogenetic gas that is decomposed to form under anaerobic bacteria effect and Deep Oil-gas, earth mantle gas and magma lithogenesis campaign produce by after seepage or diffusion through the gas that upwards migration is closed in shallow topsoil, composition is the most general with the organic genetic gas of rich CH4.Gas phase in soil is composed the form of depositing mainly with free bubble, solution gas or air water compound and is occurred.All find in the geologic prospecting of the Yangtze River Delta of China, Liaodong Wan beach areas, Huanghe delta open ocean, Shandong Peninsula shore shelf, South Yellow Sea, Hangzhou Wan, Zhoushan Islands, entrance of Changjiang River, the mouth of the Zhujiang River, the East Sea and South Sea continental shelf that evidence is deposited in the tax that sea bed superficial part exists shallow gas, demonstrate China coastal seas marine site from north to south, be distributed with large-area gassiness soil layer.But a large amount of CH4 gases contained in soil are also important engineering project disaster sources.The famous Construction of Hangzhou Bay Cross-sea Bridge of China also once occurred in prospecting in early stage process that submarine shallow gas blowout caused ship to speak sarcastically the accident of wound.Therefore, engineering project disaster can be caused at the construction operation of gassiness soil layer.The disaster accidents such as the gassiness soil of lake sea-bottom deposit easily triggers seashore landslide, liquefaction of soil mass, yielding of foundation, oil gas blowout, platform topple, hole collapse, line break, constitute a serious threat to the engineering constructions such as oil exploration and exploitation, offshore boring island, port and pier, tunnel over strait, submarine transport oil pipeline and communication cable and inshore infrastructure, in the middle of engineering, the important safety hidden danger especially in ocean engineering.Along with the comprehensive development and utilization that China greatly develops marine economy and strengthens wetland, all kinds of infrastructure construction can be carried out successively in gassiness soil layer geologic province, in the urgent need to can carry out the equipment of safe drill operation at gassiness soil layer.
Summary of the invention
The object of the invention is: provide a kind of structure simple, be convenient to execute-in-place, construction costs are cheap, meet gassiness soil layer safe drill drilling equipment and boring method.The present invention gives full play to the balanced action of burden pressure to the overflow of gassiness soil layer, blowout, based on the obstruct of air bag, forms drilling equipment and the new method with safeguard procedures, meets the inherent law of the boring catastrophe of gassiness soil layer and protection.
Technical scheme of the present invention is as follows:
The safe drill device of a kind of gassiness soil layer anti-overflow and blowout, comprise the total drilling rod be made up of some end to end drilling rods, the counterweight being arranged at total drilling rod upper end, be arranged at the drill bit of total drilling rod lower end, at least one described drilling rod is provided with the outer plugging device of plugging device and bar in bar, shutoff drilling rod internal channel and drilling rod outer tunnel when plugging device and the outer plugging device force value be respectively used in gassiness soil layer of bar exceed threshold in described bar.
As a further improvement on the present invention, in described bar, plugging device and the outer plugging device of bar are arranged at top and the low side of drilling rod respectively.
As a further improvement on the present invention, the bottom of many described drilling rods and top plugging device in the outer plugging device of mounting rod and bar respectively.
As a further improvement on the present invention, in described bar, plugging device comprises pressure sensor, electronic control unit, igniter, aerating agent, air bag, one end of described pressure sensor extends to drilling rod inside, the other end is connected with electronic control unit, the side of described air bag contacts with drilling rod internal gas, opposite side is provided with aerating agent, when the force value in gassiness soil layer exceedes threshold, from the pressure information triggerable electronic control unit control point firearm action of pressure sensor, cause aerating agent volume expansion, and then cause air bag to drilling rod internal expansion, thus realize the inside shutoff of drilling rod.
As a further improvement on the present invention, the outer plugging device of described bar comprises pressure sensor, electronic control unit, igniter, aerating agent, air bag, one end of described pressure sensor contacts with drilling rod extraneous gas, the other end is connected with electronic control unit, the side of described air bag contacts with drilling rod extraneous gas, opposite side is provided with aerating agent, when the force value in gassiness soil layer exceedes threshold, from the pressure information triggerable electronic control unit control point firearm action of pressure sensor, cause aerating agent volume expansion, and then cause air bag to drilling rod external expansion, thus realize the outside shutoff of drilling rod.
A safe drill method for gassiness soil layer anti-overflow and blowout, its step comprises:
1) arrange safe counterweight in the upper end of total drilling rod, lower end arranges drill bit;
2) bottom of kelly bar and top on drill bit, respectively plugging device in the outer plugging device of mounting rod and bar;
3) plugging device in the outer plugging device of bar and bar, comprises pressure sensor, electronic control unit, igniter, aerating agent, air bag respectively;
In bar, one end of the pressure sensor of plugging device extends to drilling rod inside, the other end is connected with electronic control unit, the side of air bag contacts with drilling rod internal gas, opposite side is provided with aerating agent, when the force value in gassiness soil layer exceedes threshold, from the pressure information triggerable electronic control unit control point firearm action of pressure sensor, cause aerating agent volume expansion, and then cause air bag to drilling rod internal expansion, thus realize the inside shutoff of drilling rod;
One end of the pressure sensor of the outer plugging device of bar contacts with drilling rod extraneous gas, the other end is connected with electronic control unit, the side of described air bag contacts with drilling rod extraneous gas, opposite side is provided with aerating agent, when the force value in gassiness soil layer exceedes threshold, from the pressure information triggerable electronic control unit control point firearm action of pressure sensor, cause aerating agent volume expansion, and then cause air bag to drilling rod external expansion, thus realize the outside shutoff of drilling rod.
Further, described boring method adopts the bore mode of direct circulation or reacting cycle mud off, plugging device in the outer plugging device of one or more drilling rod mounting rod and bar above drill bit, and pile frame arranges safe counterweight according to the potential air pressure of gassiness soil layer; In boring procedure, when drill bit penetrates soil layer gassiness region, drill bit and first drilling rod region gentle pressure of hydraulic pressure suddenly increase, when the force value of pressure sensor test exceedes air pressure setting value, electronic control unit causes igniter, excite air bag, between drilling rod and boring and drilling rod inner space is filled, cuts off gas eruption path; When after the effective release completing gassiness zone gas, then removal air bag pressure reclaims replacing drilling rod, continues bore operation.
Beneficial effect of the present invention is as follows:
The mechanism of action of safe drill device meets the infestation regularity of gassiness soil layer boring, has taken into full account the engineering properties of gassiness soil in design; Efficiency of construction is high, flexible arrangement, is applicable to the boring of various gassiness soil layer; Also according to the gas pressure of gassiness soil layer, multiple plugging device can be installed in drilling rod; The load counterweight of top pile frame can pre-set according to the gas pressure of unsaturated soils theory computational methods and gassiness soil layer.Whole device ensure that the safety of construction operation in the boring procedure of gassiness soil layer, once there is overflow, blowout phenomenon, can block path immediately, ensures the safety of personnel and facility.
Accompanying drawing explanation
Fig. 1 is the general structure schematic diagram of the safe drill device of gassiness soil layer anti-overflow of the present invention and blowout;
Fig. 2 is the drilling rod schematic diagram being provided with plugging device in the present invention;
Fig. 3 is the sectional structure chart of the outer plugging device of bar in the present invention;
Fig. 4 is the sectional structure chart of plugging device in the bar in the present invention;
Fig. 5 is the workflow diagram of plugging device air bag in the present invention;
Fig. 6 is working mechanism figure of the present invention.
In figure: 1, counterweight; 2, drill bit; 3, drilling rod; 4, plugging device in bar; 5, the outer plugging device of bar; 6, pressure sensor; 7, electronic control unit; 8, igniter; 9, aerating agent; 10, air bag; 11, airbag cover; 12, strainer; 13, total drilling rod; 14, interior male thread; 15, shutoff in bar; 16, the outer shutoff of bar.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail.
The safe drill device of the present invention's a kind of gassiness soil layer anti-overflow and blowout, comprise the total drilling rod 13 be made up of some end to end drilling rods 3, the counterweight 1 being arranged at total drilling rod 13 upper end, be arranged at the drill bit 2 of total drilling rod 13 lower end, its structure as shown in Figure 1.Wherein, at least one drilling rod 3 is provided with the outer plugging device 5 of plugging device 4 and bar in bar, shutoff drilling rod internal channel and drilling rod outer tunnel when plugging device 4 and outer plugging device 5 force value be respectively used in gassiness soil layer of bar exceed threshold in bar.
As a kind of preferred embodiment of the present invention, in bar, plugging device 4 and the outer plugging device 5 of bar are arranged at top and the low side of drilling rod 3 respectively.This set-up mode as shown in Figure 2.For reaching better plugging effect, in bar, plugging device 4 and the outer plugging device 5 of bar can be arranged at bottom and the top of many drilling rods 3.
As a kind of preferred embodiment of the present invention, in bar, the structure of plugging device 4 as shown in Figure 4, comprise pressure sensor 6, electronic control unit 7, igniter 8, aerating agent 9, air bag 10, one end of pressure sensor 6 extends to drilling rod 3 inside, the other end is connected with electronic control unit 7, the side of air bag 10 contacts with drilling rod 3 internal gas, and opposite side is provided with aerating agent 9.In the present embodiment, aerating agent 9 is specially sodium azide or ammonium nitrate.When the force value in gassiness soil layer exceedes threshold, from pressure information triggerable electronic control unit 7 control point firearm 8 action of pressure sensor 6, cause aerating agent 9 volume expansion, and then cause air bag 10 to drilling rod 3 internal expansion, thus realize the inside shutoff of drilling rod.
As a kind of preferred embodiment of the present invention, the structure of the outer plugging device 5 of bar as shown in Figure 3, comprise pressure sensor 6, electronic control unit 7, igniter 8, aerating agent 9, air bag 10, one end of described pressure sensor 6 contacts with drilling rod 3 extraneous gas, the other end is connected with electronic control unit 7, the side of described air bag 10 contacts with drilling rod 3 extraneous gas, and opposite side is provided with aerating agent 9.In the present embodiment, aerating agent 9 is specially sodium azide or ammonium nitrate.When the force value in gassiness soil layer exceedes threshold, from pressure information triggerable electronic control unit 7 control point firearm 8 action of pressure sensor 6, cause aerating agent 9 volume expansion, and then cause air bag 10 to drilling rod 3 external expansion, thus realize the outside shutoff of drilling rod.
Strainer for filtering gas can also be set between air bag 10 and aerating agent 9.In the side that air bag 10 contacts with extraneous gas or internal gas, the airbag cover 11 for temporary enclosed can also be set.In bar, plugging device 4 is connected with drilling rod by interior male thread 14 with the outer plugging device 5 of bar.
The safe drill method of the present invention's a kind of gassiness soil layer anti-overflow and blowout, comprises the steps:
1) pile frame arranges certain safe counterweight, and namely arrange safe counterweight in the upper end of total drilling rod, lower end arranges drill bit; According to gassiness soil layer gas pressure, converse derrick heavy burden pressure, derrick arranges heavy burden;
2) bottom of kelly bar and top on drill bit, respectively plugging device in the outer plugging device of mounting rod and bar; Wherein, the preferably bottom of first drilling rod and top above drill bit, respectively plugging device in the outer plugging device of mounting rod and bar; Before installing, igniter fire critical pressure value is set according to gassiness soil layer gas pressure;
3) plugging device in the outer plugging device of bar and bar, comprises pressure sensor, electronic control unit, igniter, aerating agent, air bag and airbag cover respectively; Plugging device agent structure is steel, upper lower interface inner-outer sleeve silk.For reliability consideration, each plugging device can arrange two pressure sensors;
4) according to the complexity of gassiness soil layer, be improve safety stock, bottom and the top of many drilling rods can be selected, distinguish plugging device in the outer plugging device of mounting rod and bar.
The workflow of plugging device air bag of the present invention as shown in Figure 5.The boring procedure of this drilling equipment is consistent with other rig, the bore mode of direct circulation or reacting cycle mud off can be adopted, plugging device in the outer plugging device of first (or many) drilling rod mounting rod and bar above drill bit, pile frame arranges safe counterweight according to the potential air pressure of gassiness soil layer.In boring procedure, when drill bit penetrates soil layer gassiness region, drill bit and first drilling rod region gentle pressure of hydraulic pressure suddenly increase, when the force value of pressure sensor test exceedes air pressure setting value, electronic control unit causes igniter, excite air bag, between drilling rod and boring and drilling rod inner space is filled, cuts off gas eruption path.When after the effective release completing gassiness zone gas, then removal air bag pressure reclaims replacing drilling rod, continues bore operation.The drilling construction operation that the method can be gassiness soil layer provides safety guarantee.
When gassiness soil layer atmospheric pressure value is higher, for safety stock, can on the bottom of second of drilling machine piece or many drilling rods and top, also plugging device in the outer plugging device of mounting rod and bar.For the pressure that balanced gas overflow, blowout produce air bag, pile frame need arrange safe counterweight; Boring protection method is applicable to direct circulation and reacting cycle mud off pore-forming.
Working mechanism of the present invention as shown in Figure 6.When drill bit position gas produces overflow or eruption, in the outer plugging device of bar and bar, the pressure at plugging device pressure sensor place can raise, suddenly when force value exceedes default threshold, igniter fire, gas eruption, air bag is inflated rapidly, with bar outer tunnel in shutoff bar.The gas pressure that overflow, blowout produce is by plugging device top mud pressure and Drilling derrick counterweigh.The disaster of gassiness soil layer gas overflow, blowout initiation can be prevented and treated.After gas pressure is effectively discharged, boring can recover construction.
This invention by plugging device and counterweight, solve produce in control gassiness soil layer boring procedure overflow, blowout disaster problem.Be applicable to various types of gassiness soil layer, arrangement form is simple simultaneously, and constructing operation is easy, and also can be used for shallow gas exploitation, its future in engineering applications is wide.
In sum, the invention belongs in gassiness soil layer anti-overflow of holing, the safe drill new equipment of blowout and new method, for the catastrophe characteristic in gassiness soil layer boring procedure, design the safe drill device for overflow, blowout.In gassiness soil layer, carry out engineering investigation and Construction of Engineering Pile, when running into gas eruption in boring procedure, this device can start immediately, blocks gas eruption path, prevents the engineering project disaster of overflow, blowout initiation, reduces personnel and property loss.This device is also applicable to the exploitation of shallow gas through transformation.
This invention is in conjunction with the evolutionary process of catastrophe of holing in gassiness soil boring procedure, by pressure sensor through electronic control unit trigger point firearm, air bag is excited to cut off gas eruption path, the foundation instability preventing gassiness soil layer gas eruption from causing, drilling well cave in, thus maintenance borehole stability, for shallow gas Distribution Area engineering investigation and Construction of Engineering Pile provide technical support, the exploitation that simultaneously also can be shallow gas provides beneficial reference.The drilling construction operation that the method can be gassiness soil layer provides safety guarantee, is applicable to shallow gas distributed areas, and its future in engineering applications is wide.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention.All any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. the safe drill device of a gassiness soil layer anti-overflow and blowout, comprise the total drilling rod (13) be made up of some end to end drilling rods (3), be arranged at the counterweight (1) of total drilling rod (13) upper end, be arranged at the drill bit (2) of total drilling rod (13) lower end, it is characterized in that: at least one described drilling rod (3) is provided with plugging device in bar (4) and the outer plugging device (5) of bar, shutoff drilling rod internal channel and drilling rod outer tunnel when in described bar, outer plugging device (5) force value be respectively used in gassiness soil layer of plugging device (4) and bar exceedes threshold.
2. the safe drill device of gassiness soil layer anti-overflow according to claim 1 and blowout, is characterized in that: in described bar, plugging device (4) and the outer plugging device (5) of bar are arranged at top and the low side of drilling rod (3) respectively.
3. the safe drill device of gassiness soil layer anti-overflow according to claim 1 and blowout, is characterized in that: plugging device (4) in the outer plugging device (5) of mounting rod and bar is distinguished at the bottom of many described drilling rods (3) and top.
4. the gassiness soil layer anti-overflow according to claim 1 or 2 or 3 and the safe drill device of blowout, it is characterized in that: in described bar, plugging device (4) comprises pressure sensor (6), electronic control unit (7), igniter (8), aerating agent (9), air bag (10), one end of described pressure sensor (6) extends to drilling rod (3) inside, the other end is connected with electronic control unit (7), the side of described air bag (10) contacts with drilling rod (3) internal gas, opposite side is provided with aerating agent (9), when the force value in gassiness soil layer exceedes threshold, from pressure information triggerable electronic control unit (7) control point firearm (8) action of pressure sensor (6), cause aerating agent (9) volume expansion, and then cause air bag (10) to drilling rod (3) internal expansion, thus realize the inside shutoff of drilling rod.
5. the gassiness soil layer anti-overflow according to claim 1 or 2 or 3 and the safe drill device of blowout, it is characterized in that: the outer plugging device (5) of described bar comprises pressure sensor (6), electronic control unit (7), igniter (8), aerating agent (9), air bag (10), one end of described pressure sensor (6) contacts with drilling rod (3) extraneous gas, the other end is connected with electronic control unit (7), the side of described air bag (10) contacts with drilling rod (3) extraneous gas, opposite side is provided with aerating agent (9), when the force value in gassiness soil layer exceedes threshold, from pressure information triggerable electronic control unit (7) control point firearm (8) action of pressure sensor (6), cause aerating agent (9) volume expansion, and then cause air bag (10) to drilling rod (3) external expansion, thus realize the outside shutoff of drilling rod.
6. a safe drill method for gassiness soil layer anti-overflow and blowout, its step comprises:
1) arrange safe counterweight in the upper end of total drilling rod, lower end arranges drill bit;
2) bottom of kelly bar and top on drill bit, respectively plugging device in the outer plugging device of mounting rod and bar;
3) plugging device in the outer plugging device of bar and bar, comprises pressure sensor, electronic control unit, igniter, aerating agent, air bag respectively;
In bar, one end of the pressure sensor of plugging device extends to drilling rod inside, the other end is connected with electronic control unit, the side of air bag contacts with drilling rod internal gas, opposite side is provided with aerating agent, when the force value in gassiness soil layer exceedes threshold, from the pressure information triggerable electronic control unit control point firearm action of pressure sensor, cause aerating agent volume expansion, and then cause air bag to drilling rod internal expansion, thus realize the inside shutoff of drilling rod;
One end of the pressure sensor of the outer plugging device of bar contacts with drilling rod extraneous gas, the other end is connected with electronic control unit, the side of described air bag contacts with drilling rod extraneous gas, opposite side is provided with aerating agent, when the force value in gassiness soil layer exceedes threshold, from the pressure information triggerable electronic control unit control point firearm action of pressure sensor, cause aerating agent volume expansion, and then cause air bag to drilling rod external expansion, thus realize the outside shutoff of drilling rod.
7. the safe drill method of gassiness soil layer anti-overflow according to claim 6 and blowout, it is characterized in that: described boring method adopts the bore mode of direct circulation or reacting cycle mud off, plugging device in the outer plugging device of one or more drilling rod mounting rod and bar above drill bit, pile frame arranges safe counterweight according to the potential air pressure of gassiness soil layer; In boring procedure, when drill bit penetrates soil layer gassiness region, drill bit and first drilling rod region gentle pressure of hydraulic pressure suddenly increase, when the force value of pressure sensor test exceedes air pressure setting value, electronic control unit causes igniter, excite air bag, between drilling rod and boring and drilling rod inner space is filled, cuts off gas eruption path; When after the effective release completing gassiness zone gas, then removal air bag pressure reclaims replacing drilling rod, continues bore operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510195916.1A CN104863502B (en) | 2015-04-22 | 2015-04-22 | A kind of gassiness soil layer anti-overflow and the safe drill devices and methods therefor of blowout |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510195916.1A CN104863502B (en) | 2015-04-22 | 2015-04-22 | A kind of gassiness soil layer anti-overflow and the safe drill devices and methods therefor of blowout |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104863502A true CN104863502A (en) | 2015-08-26 |
| CN104863502B CN104863502B (en) | 2017-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510195916.1A Active CN104863502B (en) | 2015-04-22 | 2015-04-22 | A kind of gassiness soil layer anti-overflow and the safe drill devices and methods therefor of blowout |
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| Country | Link |
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| CN (1) | CN104863502B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108915630A (en) * | 2018-09-04 | 2018-11-30 | 北京泰利新能源科技发展有限公司 | A kind of simple plugging device |
| CN109915034A (en) * | 2017-12-13 | 2019-06-21 | 株洲飞马橡胶实业有限公司 | It is a kind of equipped with the marine boring rod set that rubber air spring can be used continuously |
| CN112127836A (en) * | 2020-09-24 | 2020-12-25 | 兰州工业学院 | Anti-overflow and blowout drilling device and method thereof |
| CN109915034B (en) * | 2017-12-13 | 2024-04-26 | 株洲飞马橡胶实业有限公司 | Offshore drilling rod device with rubber air spring capable of being continuously used |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202090890U (en) * | 2011-05-26 | 2011-12-28 | 西南石油大学 | Underground drill string near bit check valve |
| RU2439274C1 (en) * | 2011-03-16 | 2012-01-10 | Открытое акционерное общество "Татнефть" им. В.Д. Шашина | Well construction method |
| CN202117572U (en) * | 2011-05-26 | 2012-01-18 | 西南石油大学 | Drill string equipped with downhole blowout preventer |
| CN202325370U (en) * | 2011-11-21 | 2012-07-11 | 盐城华亚石油机械制造有限公司 | Two-stage sealing eccentricity-preventing blowout preventer of sucker rod |
| CN203321418U (en) * | 2013-06-28 | 2013-12-04 | 西南石油大学 | Near-bit downhole blowout preventer |
-
2015
- 2015-04-22 CN CN201510195916.1A patent/CN104863502B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2439274C1 (en) * | 2011-03-16 | 2012-01-10 | Открытое акционерное общество "Татнефть" им. В.Д. Шашина | Well construction method |
| CN202090890U (en) * | 2011-05-26 | 2011-12-28 | 西南石油大学 | Underground drill string near bit check valve |
| CN202117572U (en) * | 2011-05-26 | 2012-01-18 | 西南石油大学 | Drill string equipped with downhole blowout preventer |
| CN202325370U (en) * | 2011-11-21 | 2012-07-11 | 盐城华亚石油机械制造有限公司 | Two-stage sealing eccentricity-preventing blowout preventer of sucker rod |
| CN203321418U (en) * | 2013-06-28 | 2013-12-04 | 西南石油大学 | Near-bit downhole blowout preventer |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109915034A (en) * | 2017-12-13 | 2019-06-21 | 株洲飞马橡胶实业有限公司 | It is a kind of equipped with the marine boring rod set that rubber air spring can be used continuously |
| CN109915034B (en) * | 2017-12-13 | 2024-04-26 | 株洲飞马橡胶实业有限公司 | Offshore drilling rod device with rubber air spring capable of being continuously used |
| CN108915630A (en) * | 2018-09-04 | 2018-11-30 | 北京泰利新能源科技发展有限公司 | A kind of simple plugging device |
| CN112127836A (en) * | 2020-09-24 | 2020-12-25 | 兰州工业学院 | Anti-overflow and blowout drilling device and method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104863502B (en) | 2017-03-29 |
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