CN108194078A - A kind of geothermal well pneumatic down-hole hammer creeps into blowout prevention sampler - Google Patents
A kind of geothermal well pneumatic down-hole hammer creeps into blowout prevention sampler Download PDFInfo
- Publication number
- CN108194078A CN108194078A CN201810151307.XA CN201810151307A CN108194078A CN 108194078 A CN108194078 A CN 108194078A CN 201810151307 A CN201810151307 A CN 201810151307A CN 108194078 A CN108194078 A CN 108194078A
- Authority
- CN
- China
- Prior art keywords
- chamber
- blowout prevention
- geothermal well
- pressure release
- cavity
- 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
Links
- 230000002265 prevention Effects 0.000 title claims abstract description 45
- 238000005553 drilling Methods 0.000 claims abstract description 39
- 239000000203 mixture Substances 0.000 claims description 41
- 239000007787 solid Substances 0.000 claims description 39
- 238000012216 screening Methods 0.000 claims description 22
- 238000007789 sealing Methods 0.000 claims description 2
- 238000005070 sampling Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 description 7
- 239000007788 liquid Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000002093 peripheral effect Effects 0.000 description 4
- 238000001914 filtration Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 230000006837 decompression Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
- E21B49/08—Obtaining fluid samples or testing fluids, in boreholes or wells
- E21B49/081—Obtaining fluid samples or testing fluids, in boreholes or wells with down-hole means for trapping a fluid sample
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
- E21B33/06—Blow-out preventers, i.e. apparatus closing around a drill pipe, e.g. annular blow-out preventers
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The present invention relates to underground geothermal resource exploration technical fields, disclose a kind of geothermal well pneumatic down-hole hammer drilling blowout prevention sampler, including：Part is set in the blowout prevention sampler outer housing of the periphery for the end that drilling rod is placed on ground, cushion chamber is configured with successively from left to right in the inside of the blowout prevention sampler outer housing, diversion cavity, pressure release splitter cavity and sample collection release chamber, wherein, the arrival end of the diversion cavity is connected with the port of export of the cushion chamber, the arrival end of the pressure release splitter cavity is connected with the port of export of the diversion cavity, the arrival end of the sample collection release chamber is connected with the port of export of the pressure release splitter cavity, discharge opening is configured on the bottom wall of the pressure release splitter cavity, gas outlet is configured on the roof of sample collection release chamber, sample tap is configured on the bottom wall of sample collection release chamber.The advantages of efficiently sampling rate of non-cutting time caused by the blowout prevention sampling appliance is reduced blowout prevention and raising chip sample.
Description
Technical field
The present invention relates to underground geothermal resource exploration technical fields, and blowout prevention is crept into more particularly to a kind of geothermal well pneumatic down-hole hammer
Sampler.
Background technology
As market is increasingly heavier to the attention degree of geothermal resource prospecting and utilization, efficient survey and exploitation geothermal well
As one of quick emphasis for pushing geothermal energy application development, during exploitation of geothermal well, generally use DTH drilling
Technology, but when down-hole hammer is constructed, due to the drilling characteristic of its own, drill through the proportion of goods damageds and brill that chip sample is brought
Into in the process when generating blowout prevention phenomenon caused by non-cutting time, strongly limit the efficiency of DTH drilling technique, meanwhile,
Also increase the cost in drilling process.
Invention content
(1) technical problems to be solved
The object of the present invention is to provide a kind of geothermal well pneumatic down-hole hammers to creep into blowout prevention sampler, to solve in the prior art
During DTH drilling construction is carried out, the sample rate for extending the non-cutting time of blowout prevention and reducing chip sample is caused
Technical problem.
(2) technical solution
In order to solve the above technical problem, the present invention provides a kind of geothermal well pneumatic down-hole hammers to creep into blowout prevention sampler, packet
It includes：Part is set in the blowout prevention sampler outer housing of the periphery for the end that drilling rod is placed on ground, in the blowout prevention sampler
The inside of outer housing is configured with cushion chamber, diversion cavity, pressure release splitter cavity and sample collection release chamber successively from left to right,
In, the arrival end of the diversion cavity is connected with the port of export of the cushion chamber, the arrival end of the pressure release splitter cavity with it is described
The port of export of diversion cavity is connected, and the arrival end of the sample collection release chamber is connected with the port of export of the pressure release splitter cavity
It is logical, discharge opening is configured on the bottom wall of the pressure release splitter cavity, is configured with out on the roof of sample collection release chamber
Gas port is configured with sample tap on the bottom wall of sample collection release chamber.
Wherein, the wellhead sealing of the lower end of the cushion chamber and geothermal well connects, and the cushion chamber is enclosed in the drilling rod
It is placed on the periphery of the end on ground.
Wherein, the cushion chamber includes the upper opening type flaring chamber being connected with the well head of geothermal well and the upper opening
The annular chamber that formula flaring chamber is connected and the under shed formula flaring chamber being connected with the annular chamber.
Wherein, the internal orifice dimension of the diversion cavity is less than the internal orifice dimension of the pressure release splitter cavity.
Wherein, it is equipped with and liquid-solid two-phase can be mixed in the inside of the pressure release splitter cavity and positioned at the top of the discharge opening
Close the screening group that object is detached.
Wherein, the screening group includes folding the multiple filter screens set successively from bottom to up, wherein, a upper filtering
The aperture of the mesh of sieve is more than or less than the aperture of the mesh of next filter screen of setting adjacent thereto.
Wherein, the screening group includes folding the multiple filter screens set in formula straggly successively from bottom to up, wherein, Ge Gesuo
State the aperture all same of the mesh of filter screen.
Wherein, the first end of the screening group is overlapped on the port of export of the diversion cavity, and the second end of the screening group is taken
It is connected on the bottom wall of the sample collection release chamber, wherein, the horizontal plane where the first end is higher than where the second end
Horizontal plane.
(3) advantageous effect
Blowout prevention sampler provided by the invention, compared with prior art, has the following advantages that：
By injecting pressed gas into the gas passage of the drilling rod, since the pressure of pressed gas is usually higher, at this
Under the pressure effect of pressed gas, by the gas-solid two-phase mixture generated in drilling process (mixture of gas and chip sample)
Or gas-liquid-solid three-phase mixture (mixture of gas, liquid and chip sample) along annular space towards the direction of well head on return, and cause
On the gas-solid two-phase mixture that returns or gas-liquid-solid three-phase mixture enter in cushion chamber after again followed by diversion cavity and pressure release
Splitter cavity is finally flowed into sample collection release intracavitary, by the way that gas is discharged into outside from gas outlet, is let out so as to play
The effect of pressure so that the pressure in the internal chamber of blowout prevention sampler outer housing is constant, it is ensured that drilling is worked continuously.In addition,
By using the blowout prevention sampler of the application, the gas-solid two-phase mixture returned from annular space or gas-liquid-solid three can be avoided well
Phase mixture is sprayed from well head, further, avoids causing to prolong because can not continue drilling operation due to during ejection
The long time in addition to normal drilling.That is, by using the blowout prevention sampler of the application, not shadow after high-pressure fluid sprays
Ring normal constructing operation, and can continuous sampling, sample is prevented to be lost in, while realizing blowout prevention, shunting and sampling into
Row.
In addition it is also necessary to explanation, since the density of gas is lighter, it will usually there is the characteristic flowed up, pass through
Gas outlet is arranged on the roof of sample collection release chamber, so as to meet the glide path of gas so that gas can be as early as possible
Ground is externally discharged through the gas outlet, achievees the purpose that timely pressure release and ensures working continuously for drilling.
Description of the drawings
Fig. 1 is that the geothermal well pneumatic down-hole hammer of embodiments herein creeps into the side structure schematic view of blowout prevention sampler；
Fig. 2 is that the geothermal well pneumatic down-hole hammer of embodiments herein creeps into the overlooking the structure diagram of blowout prevention sampler.
In figure, 1：Blowout prevention sampler outer housing；2：Cushion chamber；21：Upper opening type flaring chamber；22：Annular chamber；23：Under open
Mouth formula flaring chamber；3：Diversion cavity；4：Pressure release splitter cavity；41：Discharge opening；5：Sample collection discharges chamber；51：Gas outlet；52：Sampling
Mouthful；6：Screening group；61：First end；62：Second end；200：Drilling rod；300：The well head of geothermal well；400：Annular space.
Specific embodiment
With reference to the accompanying drawings and examples, the specific embodiment of the present invention is described in further detail.Following instance
For illustrating the present invention, but it is not limited to the scope of the present invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or be integrally connected；It can
To be mechanical connection or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Embodiment 1：
As shown in Figure 1, schematically show that the blowout prevention sampler includes blowout prevention sampler outer housing 1, cushion chamber in figure
2nd, diversion cavity 3, pressure release splitter cavity 4 and sample collection release chamber 5.
In embodiments herein, which is set in the drilling rod 200 and is placed on ground
End periphery.
It is configured with cushion chamber 2, diversion cavity 3, pressure release shunting successively from left to right in the inside of the blowout prevention sampler outer housing 1
Chamber 4 and sample collection release chamber 5, wherein, the arrival end of the diversion cavity 3 is connected with the port of export of cushion chamber 2, pressure release shunting
The arrival end of chamber 4 is connected with the port of export of diversion cavity 3, the sample collection release arrival end of chamber 5 and going out for pressure release splitter cavity 4
Mouth end is connected, and discharge opening 41 is configured on the bottom wall of the pressure release splitter cavity 4, on the roof of sample collection release chamber 5
Gas outlet 51 is configured with, sample tap 52 is configured on the bottom wall of sample collection release chamber.It should be noted that the application
Blowout prevention sampler is rest on the ground, and drilling rod 200 is located at underground, and annular space 400 is configured between drilling rod 200 and the pit shaft of underground,
The inside of the drilling rod 200 has gas passage, specifically, by injecting pressed gas into the gas passage of the drilling rod 200, by
It is usually higher in the pressure of pressed gas, under the pressure effect of the pressed gas, the gas-particle two-phase that will be generated in drilling process
Mixture (mixture of gas and chip sample) or gas-liquid-solid three-phase mixture (mixture of gas, liquid and chip sample)
It is returned on along annular space 400 towards the direction of well head, and the gas-solid two-phase mixture returned or gas-liquid-solid three-phase mixture is entered
Finally be flowed into sample collection release chamber 5 followed by diversion cavity 3 and pressure release splitter cavity 4 again after in cushion chamber 2, pass through by
Gas is discharged into outside from gas outlet 51, so as to play the role of pressure release so that the inner chamber of blowout prevention sampler outer housing 1
Pressure in room is constant, it is ensured that drilling is worked continuously.In addition, by using the blowout prevention sampler of the application, it can be well
The gas-solid two-phase mixture returned from annular space 400 or gas-liquid-solid three-phase mixture is avoided to be sprayed from well head, further, is avoided
Cause because can not continue drilling operation due to extend the time in addition to normal drilling during ejection.It is that is, logical
Cross the blowout prevention sampler using the application, high-pressure fluid does not influence normal constructing operation after spraying, and can continuous sampling,
Sample is prevented to be lost in, is carried out while realizing blowout prevention, shunting and sampling.
In addition it is also necessary to explanation, since the density of gas is lighter, it will usually there is the characteristic flowed up, pass through
Gas outlet 51 is arranged on the roof of sample collection release chamber 5, so as to meet the glide path of gas so that gas can use up
It is externally discharged through the gas outlet 51 soon, achieve the purpose that timely pressure release and ensure working continuously for drilling.
In drilling process, as drilling rod 200 is drilled down into the continuous intensification of depth, when the bottom of drilling does not have water, then
Gas-solid two-phase mixture is returned out from 400 meeting of annular space, when water is arranged at the bottom of drilling, then returns out gas-liquid-solid three from 400 meeting of annular space
Phase mixture.
As depicted in figs. 1 and 2, in the ratio of the application more preferably technical solution, lower end and the ground of the cushion chamber 2
The well head 300 of hot well is tightly connected, which is enclosed in the periphery that the drilling rod 200 is placed on the end on ground.It needs
It is bright, it is connected and sealed by the well head 300 of the cushion chamber 2 and geothermal well, so as to avoid occurring from annular space
The gas-solid two-phase mixture or gas-liquid-solid three-phase mixture returned in 400 is ejected into outside, causes not realizing what is continuously crept into
Situation.
As depicted in figs. 1 and 2, the cushion chamber 2 is also schematically shown in figure to include being connected with the well head 300 of geothermal well
Logical upper opening type flaring chamber 21, the annular chamber 22 being connected with the upper opening type flaring chamber and it is connected with the annular chamber 22
Logical under shed formula flaring chamber 23.It should be noted that gas-solid two-phase mixture or gas-liquid-solid three-phase due to being returned from underground
The pressure of mixture is larger, to avoid the occurrence of the phenomenon that gushing, by by the lower end of the cushion chamber 2, that is, the well head with geothermal well
300 parts being connected are configured to upper opening type flaring chamber 21, so as to play the role of decompression and buffering, effectively achieve
The purpose of blowout prevention.Meanwhile by the way that the upper end of the cushion chamber 2 is configured under shed formula flaring chamber 23, so that this is slow
The integrally constructed umbrella-shaped structure of the peripheral wall of 2 upper end of chamber is rushed, when the gas-solid two-phase mixture or gas-liquid-solid three-phase that are returned on underground mix
When closing on the peripheral wall of upper end that object strikes the cushion chamber 2, by by the integrally constructed umbrella of the peripheral wall of the upper end of the cushion chamber 2
Shape structure therefore, it is possible to play the role of centainly disperseing to the impact force, further, weakens to the upper end of the cushion chamber 2
The impact strength of peripheral wall.
As shown in Figure 1, the internal orifice dimension that the diversion cavity 3 is also schematically shown in figure is less than the endoporus of pressure release splitter cavity 4
Diameter.Specifically, in the case where flow is certain, the hole flowed through by increasing gas-solid two-phase mixture or gas-liquid-solid three-phase mixture
Diameter, so as to reduce the pressure of gas-solid two-phase mixture or gas-liquid-solid three-phase mixture to a certain extent, that is to say, that logical
It crosses so that the internal orifice dimension of diversion cavity 3 is less than the internal orifice dimension of pressure release splitter cavity 4, so as to play the role of decompression, shunting.
As shown in Figure 1, in the ratio more preferably in technical solution of the application, in the inside of the pressure release splitter cavity 4 simultaneously
Being equipped with positioned at the top of discharge opening 41 can be by screening group 6 that liquid-solid two-phase mixture detaches.It should be noted that the sieve
Net group 6 is to be folded to set by multiple filter screens, thus, there is preferable filtering function, that is, the liquid-solid two-phase that can will be flowed through
Liquid in mixture is filtered out and is discharged through discharge opening 41, meanwhile, the solid (chip sample) remained in screening group 6 is passed through
Sample tap 52 is collected.
As shown in Figure 1, to advanced optimize the screening group 6 in above-mentioned technical proposal, based on the above technical solution,
The screening group 6 includes folding the multiple filter screen (not shown)s set successively from bottom to up, wherein, a upper filter screen
The aperture of mesh is more than or less than the aperture of the mesh of next filter screen of setting adjacent thereto.Specifically, by
Aperture up and down in the mesh of the filter screen of adjacent formula setting is different, so as to effectively improve 6 entirety of screening group
Strainability, it is ensured that the gas-solid two-phase mixture and gas-liquid-solid three-phase mixture returned from underground can be detached, and
Liquid portion at discharge opening 41 is discharged, solid portion is remained in screening group 6, and to collected at sample tap 52
Solid (chip sample) is collected.
In another embodiment, which includes folding the multiple filter screens set in formula straggly successively from bottom to up,
Wherein, the aperture all same of the mesh of each filter screen.In this way, by by the identical filter screen of mesh aperture from bottom to up
It folds and sets in formula straggly, so as to realize the change of the size in the aperture of the mesh to each layer of filter screen indirectly, this
Sample, it is possible to effectively improve the filtering accuracy of the screening group 6, it is ensured that liquid is filtered, and solid can remain in the sieve
In group 6, avoid, because the aperture of the mesh in screening group 6 is excessive, chip sample being caused to flow to outside at discharge opening 41, causes to adopt
Collect the situation of the chip sample inaccuracy of underground.
In another embodiment, the first end 61 of the screening group 6 is overlapped on the port of export of diversion cavity 3, and the of screening group 6
Two ends 62 are overlapped on the bottom wall of sample collection release chamber 5, wherein, the horizontal plane where first end 61 is higher than where second end 62
Horizontal plane.Specifically, by the horizontal plane where the first end of screening group 6 61 higher than the level where second end 62
Face so as to play the role of guiding, specifically, can guide chip sample to be slid from the port of export of diversion cavity 3 by letting out
Continue to slide in sample collection release chamber 5, and receive collected chip sample at sample tap 52 after pressure splitter cavity 4
Collection.
In conclusion by injecting pressed gas into the gas passage of the drilling rod 200, since the pressure of pressed gas is led to
It is often higher, under the pressure effect of the pressed gas, by the gas-solid two-phase mixture generated in drilling process (gas and landwaste sample
The mixture of product) or gas-liquid-solid three-phase mixture (mixture of gas, liquid and chip sample) along annular space 400 towards well head 300
Direction on return, and cause the gas-solid two-phase mixture that returns or gas-liquid-solid three-phase mixture enter in cushion chamber 2 after again according to
It is secondary to flow through diversion cavity 3 and pressure release splitter cavity 4, it is finally flowed into sample collection release chamber 5, by the way that gas is released from gas outlet 51
Outside being put into, so as to play the role of pressure release so that the pressure in the internal chamber of blowout prevention sampler outer housing 1 is constant,
Ensure working continuously for drilling.In addition, by using the blowout prevention sampler of the application, can well avoid from annular space 400
The gas-solid two-phase mixture or gas-liquid-solid three-phase mixture returned is sprayed from well head 300, further, is avoided during ejection
Cause because can not continue drilling operation due to extend the time in addition to normal drilling.That is, by using the application
Blowout prevention sampler, high-pressure fluid do not influence normal constructing operation after spraying, and can continuous sampling, prevent sample flow
It loses, is carried out while realizing blowout prevention, shunting and sampling.
In addition it is also necessary to explanation, since the density of gas is lighter, it will usually there is the characteristic flowed up, pass through
Gas outlet 51 is arranged on the roof of sample collection release chamber 5, so as to meet the glide path of gas so that gas can use up
It is externally discharged through the gas outlet 51 soon, achieve the purpose that timely pressure release and ensure working continuously for drilling.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (8)
1. a kind of geothermal well pneumatic down-hole hammer creeps into blowout prevention sampler, which is characterized in that including：
Part is set in the blowout prevention sampler outer housing of the periphery for the end that drilling rod is placed on ground, in the blowout prevention sampler
The inside of outer housing is configured with cushion chamber, diversion cavity, pressure release splitter cavity and sample collection release chamber successively from left to right,
In, the arrival end of the diversion cavity is connected with the port of export of the cushion chamber, the arrival end of the pressure release splitter cavity with it is described
The port of export of diversion cavity is connected, and the arrival end of the sample collection release chamber is connected with the port of export of the pressure release splitter cavity
It is logical, discharge opening is configured on the bottom wall of the pressure release splitter cavity, is configured with out on the roof of sample collection release chamber
Gas port is configured with sample tap on the bottom wall of sample collection release chamber.
2. geothermal well pneumatic down-hole hammer according to claim 1 creeps into blowout prevention sampler, which is characterized in that the cushion chamber
Lower end and the wellhead sealing of geothermal well connect, the cushion chamber is enclosed in the outer of the end that the drilling rod is placed on ground
It encloses.
3. geothermal well pneumatic down-hole hammer according to claim 2 creeps into blowout prevention sampler, which is characterized in that the cushion chamber
The upper opening type flaring chamber being connected including the well head with geothermal well, the annular chamber being connected with the upper opening type flaring chamber,
And the under shed formula flaring chamber being connected with the annular chamber.
4. geothermal well pneumatic down-hole hammer according to claim 1 creeps into blowout prevention sampler, which is characterized in that the diversion cavity
Internal orifice dimension be less than the pressure release splitter cavity internal orifice dimension.
5. geothermal well pneumatic down-hole hammer according to any one of claim 1 to 4 creeps into blowout prevention sampler, feature exists
In, the inside of the pressure release splitter cavity and positioned at the discharge opening top be equipped with liquid-solid two-phase mixture can be divided
From screening group.
6. geothermal well pneumatic down-hole hammer according to claim 5 creeps into blowout prevention sampler, which is characterized in that the screening group
Including folding multiple filter screens for setting successively from bottom to up, wherein, the aperture of the mesh of a upper filter screen be more than or
Less than the aperture of the mesh of next filter screen of setting adjacent thereto.
7. geothermal well pneumatic down-hole hammer according to claim 5 creeps into blowout prevention sampler, which is characterized in that the screening group
Including folding the multiple filter screens set in formula straggly successively from bottom to up, wherein, the aperture of the mesh of each filter screen
All same.
8. geothermal well pneumatic down-hole hammer according to claim 5 creeps into blowout prevention sampler, which is characterized in that the screening group
First end be overlapped on the port of export of the diversion cavity, the second end of the screening group is overlapped on the sample collection release chamber
On bottom wall, wherein, the horizontal plane where the first end is higher than the horizontal plane where the second end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810151307.XA CN108194078A (en) | 2018-02-14 | 2018-02-14 | A kind of geothermal well pneumatic down-hole hammer creeps into blowout prevention sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810151307.XA CN108194078A (en) | 2018-02-14 | 2018-02-14 | A kind of geothermal well pneumatic down-hole hammer creeps into blowout prevention sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108194078A true CN108194078A (en) | 2018-06-22 |
Family
ID=62593518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810151307.XA Pending CN108194078A (en) | 2018-02-14 | 2018-02-14 | A kind of geothermal well pneumatic down-hole hammer creeps into blowout prevention sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108194078A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191315931A (en) * | 1913-07-10 | 1914-07-02 | Albert Williams Daw | An Improved Dust Collector for use with Rock Drills. |
| CA2256821A1 (en) * | 1998-01-09 | 1999-07-09 | Weatherford Canada Ltd. | Separator for gases, liquids and solids from a well |
| US20080115971A1 (en) * | 2004-09-21 | 2008-05-22 | Benthic Geotech Pty Ltd | Remote Gas Monitoring Apparatus for Sealed Drilling |
| CN102392676A (en) * | 2011-09-14 | 2012-03-28 | 成都晟鑫机电设备有限公司 | Integrated device for separating gas, water and slag |
| CN102996108A (en) * | 2012-12-20 | 2013-03-27 | 淮北矿业股份有限公司工程处 | Coal seam drilling coal-gas-water separating, conveying and containing device |
| CN203081360U (en) * | 2013-02-17 | 2013-07-24 | 许斐 | Rotary deslagging and dedusting device for drilling of pneumatic down-the-hole hammer |
| CN203188947U (en) * | 2013-04-19 | 2013-09-11 | 河南豫中地质勘察工程公司 | Ground anti-dust device for air positive circulation drilling technology |
| CN104314564A (en) * | 2014-09-25 | 2015-01-28 | 中国石油天然气股份有限公司 | Wellhead sampling device for in-depth fluid diversion |
| CN104405315A (en) * | 2014-12-03 | 2015-03-11 | 中铁二院工程集团有限责任公司 | Separating and dedusting recovery system based on coring drilling construction |
| CN106801588A (en) * | 2017-01-05 | 2017-06-06 | 天地科技股份有限公司 | The semiclosed mud pressure keeping circulation technology of artesian water earth-boring construction |
| CN207004506U (en) * | 2017-07-21 | 2018-02-13 | 西南石油大学 | A kind of experimental provision simulated gas horizontal well drilling and ring empty flow field change after overflow occur |
| CN207892610U (en) * | 2018-02-14 | 2018-09-21 | 北京泰利新能源科技发展有限公司 | A kind of geothermal well pneumatic down-hole hammer drilling blowout prevention sampler |
-
2018
- 2018-02-14 CN CN201810151307.XA patent/CN108194078A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191315931A (en) * | 1913-07-10 | 1914-07-02 | Albert Williams Daw | An Improved Dust Collector for use with Rock Drills. |
| CA2256821A1 (en) * | 1998-01-09 | 1999-07-09 | Weatherford Canada Ltd. | Separator for gases, liquids and solids from a well |
| US20080115971A1 (en) * | 2004-09-21 | 2008-05-22 | Benthic Geotech Pty Ltd | Remote Gas Monitoring Apparatus for Sealed Drilling |
| CN102392676A (en) * | 2011-09-14 | 2012-03-28 | 成都晟鑫机电设备有限公司 | Integrated device for separating gas, water and slag |
| CN102996108A (en) * | 2012-12-20 | 2013-03-27 | 淮北矿业股份有限公司工程处 | Coal seam drilling coal-gas-water separating, conveying and containing device |
| CN203081360U (en) * | 2013-02-17 | 2013-07-24 | 许斐 | Rotary deslagging and dedusting device for drilling of pneumatic down-the-hole hammer |
| CN203188947U (en) * | 2013-04-19 | 2013-09-11 | 河南豫中地质勘察工程公司 | Ground anti-dust device for air positive circulation drilling technology |
| CN104314564A (en) * | 2014-09-25 | 2015-01-28 | 中国石油天然气股份有限公司 | Wellhead sampling device for in-depth fluid diversion |
| CN104405315A (en) * | 2014-12-03 | 2015-03-11 | 中铁二院工程集团有限责任公司 | Separating and dedusting recovery system based on coring drilling construction |
| CN106801588A (en) * | 2017-01-05 | 2017-06-06 | 天地科技股份有限公司 | The semiclosed mud pressure keeping circulation technology of artesian water earth-boring construction |
| CN207004506U (en) * | 2017-07-21 | 2018-02-13 | 西南石油大学 | A kind of experimental provision simulated gas horizontal well drilling and ring empty flow field change after overflow occur |
| CN207892610U (en) * | 2018-02-14 | 2018-09-21 | 北京泰利新能源科技发展有限公司 | A kind of geothermal well pneumatic down-hole hammer drilling blowout prevention sampler |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109611030B (en) | Chip space type variable flow jet flow drill | |
| CN102392676B (en) | Integrated device for separating gas, water and slag | |
| CN108678671B (en) | A kind of sea bed gas hydrate digging sleeve type injection recyclable device | |
| CN201924905U (en) | Differential pressure open sliding sleeve for horizontal well fracturing | |
| CN202467893U (en) | Gas, water, slag separation integrated apparatus | |
| CN104454669B (en) | Jet pump and oil testing tech based on this jet pump | |
| CN103920310B (en) | A kind of underground coal mine gas liquor release separator | |
| CN110454129A (en) | A kind of gas well separate stratum fracfturing, the water integrated process pipe string of control | |
| CN207892610U (en) | A kind of geothermal well pneumatic down-hole hammer drilling blowout prevention sampler | |
| CN107476783B (en) | A kind of bottom plate develops the coalbed methane reservoir remodeling method of rotten rib coal | |
| CN108194078A (en) | A kind of geothermal well pneumatic down-hole hammer creeps into blowout prevention sampler | |
| CN110374665A (en) | A kind of gas collection device and application method for pole weak seam extraction borehole | |
| CN100494634C (en) | Gas-coal separation equipment applied to outburst coal seam safety drilling blowout prevention system | |
| CN110080763A (en) | A kind of coal seam country rock pressure relief method based on internal-injection type static crushing pressure relief means thereon | |
| CN203441414U (en) | Wide-area overshot | |
| CN109555511A (en) | A kind of oil well desanding device based under pulsing jet technology and cyclonic separation mechanism | |
| CN102409979B (en) | Stone-crushing drill bit | |
| CN208502674U (en) | A kind of two-way injection core bit of reduction chip hold down effect | |
| CN107243175A (en) | The filtering filter press of air compression type | |
| CN105443044B (en) | A kind of circulation penetrates suction and subtracts confined pressure drill bit | |
| CN108868702A (en) | A kind of coal bed gas ultrasonic wave desorption extraction water discharge method | |
| CN102635394A (en) | Gas, water and coal separation device of coal-mine gas spray hole | |
| CN209129659U (en) | Fill the water slag-draining device | |
| CN202832425U (en) | Screen pipe and oil and gas well opening ball-catching device using the same | |
| CN108716375A (en) | Cyclone type reacting cycle well-flushing fishing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |