CN108952661A - A kind of novel hierarchical formula is anti-to spit sand pressure break sand blasting unit and blasting method - Google Patents
A kind of novel hierarchical formula is anti-to spit sand pressure break sand blasting unit and blasting method Download PDFInfo
- Publication number
- CN108952661A CN108952661A CN201810861638.2A CN201810861638A CN108952661A CN 108952661 A CN108952661 A CN 108952661A CN 201810861638 A CN201810861638 A CN 201810861638A CN 108952661 A CN108952661 A CN 108952661A
- Authority
- CN
- China
- Prior art keywords
- sand
- main body
- pressure break
- jet outlet
- spit
- 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
- 239000004576 sand Substances 0.000 title claims abstract description 62
- 238000005488 sandblasting Methods 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000005422 blasting Methods 0.000 title claims abstract description 8
- 239000000956 alloy Substances 0.000 claims abstract description 11
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 11
- 239000000203 mixture Substances 0.000 claims abstract description 4
- 239000007787 solid Substances 0.000 claims 2
- 238000007789 sealing Methods 0.000 claims 1
- 238000003825 pressing Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/25—Methods for stimulating production
- E21B43/26—Methods for stimulating production by forming crevices or fractures
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)
- Earth Drilling (AREA)
Abstract
A kind of novel hierarchical formula is anti-to spit sand pressure break sand blasting unit and blasting method.A kind of novel hierarchical formula is anti-to spit sand pressure break sand blasting unit, its composition includes: fracturing string, the fracturing string is inserted into upper main body, the upper main body connects lower main body, the upper main body is provided with upper sliding sleeve, the upper sliding sleeve connects low sleeve, and the upper main body is welded with hard alloy sand jet outlet, and the lower main body is welded with lower hard alloy sand jet outlet.The present invention prevents spitting sand pressure break sand blasting unit for stagewise.
Description
Technical field:
Prevent spitting sand pressure break sand blasting unit and blasting method the present invention relates to a kind of novel hierarchical formula.
Background technique:
It needs to keep fracturing packer to rise envelope state after pressing crack construction, avoids crossflow, prevent fracturing sand is counter from spitting；It eliminates
Oil well top covers blind hole because the set that packer shrinks generation after pressing crack construction returns, and prevents environmentally friendly event from occurring；It needs to see in well head
Down-hole pressure variation tendency is examined, work opportunity is selected, avoids well control, environmentally friendly risk；Fractured interval energy after pressure break is needed not damage
It loses, it is ensured that fracturing effect.
Summary of the invention:
Prevent spitting sand the object of the present invention is to provide a kind of a kind of novel hierarchical formula being normally carried out that ensure that pressure break sandblasting operation
Pressure break sand blasting unit and blasting method.
Above-mentioned purpose is realized by following technical scheme:
A kind of novel hierarchical formula is anti-to spit sand pressure break sand blasting unit, and composition includes: fracturing string, the fracturing string insertion
Upper main body, the upper main body connect lower main body, and the upper main body is provided with upper sliding sleeve, and the upper sliding sleeve, which connects, to glide
Set, the upper main body are welded with hard alloy sand jet outlet, and the lower main body is welded with lower hard alloy sand jet outlet.
A kind of novel hierarchical formula is anti-to spit sand pressure break sand blasting unit, between the upper main body and the upper sliding sleeve
Equipped with upper О shape circle, fixed between the upper main body and the upper sliding sleeve by upper shear pin.
A kind of novel hierarchical formula is anti-to spit sand pressure break sand blasting unit, between the lower main body and the low sleeve
Equipped with lower О shape circle, fixed between the lower main body and the low sleeve by lower shear pin.
A kind of novel hierarchical formula is anti-to spit sand pressure break sand blasting unit, and the lower hard alloy sand jet outlet is located at described
Low sleeve position.
A kind of novel hierarchical formula is anti-to spit sand pressure break sand blasting unit, the fracturing string and the upper main body it
Between be equipped with upper seal, between the upper main body and the lower main body be equipped with upper seal.
A kind of anti-blasting method for spitting sand pressure break sand blasting unit of novel hierarchical formula, using two-stage sandblasting mode, first order spray
Sand mouth is located at lower body upper, and second level sand jet outlet is located at body upper；When the work of first order sand jet outlet, second level sandblasting
Mouth is in close state；When needing second level sand jet outlet to work, first order sand jet outlet is closed using pitching pressuring method, the
The work of second level sand jet outlet, is again closed second level sand jet outlet with pitching pressuring method after sandblasting, guarantees pressure break sandblasting operation
Be normally carried out.
The utility model has the advantages that
1. carrying out pressure break sandblasting work to corresponding site under fracturing string when the present invention uses.
It can reliably guarantee disposable pressure break sandblasting job success when use of the present invention, and avoid crossflow, prevent from pressing
Split that sand is counter to be spat.
The present invention can eliminate oil well top set blind hole because the set that packer shrinks generation after pressing crack construction returns, and prevent environmental protection
Event occurs.
The present invention can observe down-hole pressure variation tendency in well head, select work opportunity, avoid well control, environmentally friendly risk；
Fractured interval energy does not lose after pressure break, it is ensured that fracturing effect.
Detailed description of the invention:
Attached drawing 1 is the installation diagram of this product.
Attached drawing 2 is the integral installation figure of this product.
Attached drawing 3 is the upper main body welding figure of this product.
Attached drawing 4 is the lower main body welding figure of this product.
Specific embodiment:
Below in conjunction with attached drawing of the invention, technical scheme in the embodiment of the invention is clearly and completely described.
Embodiment 1:
A kind of novel hierarchical formula is anti-to spit sand pressure break sand blasting unit, and composition includes: fracturing string 8, the fracturing string insertion
Upper main body 1, the upper main body connect lower main body 7, and the upper main body is provided with upper sliding sleeve 3, under the upper sliding sleeve connection
Sliding sleeve 6, the upper main body are welded with hard alloy sand jet outlet 9, and the lower main body is welded with lower hard alloy sand jet outlet 10.
Embodiment 2:
A kind of novel hierarchical formula described in embodiment 1 is anti-to spit sand pressure break sand blasting unit, the upper main body and the upper sliding sleeve
Between upper О shape circle 2 is housed, it is fixed to pass through upper shear pin 4 between the upper main body and the upper sliding sleeve.
Embodiment 3:
A kind of novel hierarchical formula described in embodiment 1 is anti-to spit sand pressure break sand blasting unit, the lower main body and the low sleeve
Between lower О shape circle 5 is housed, it is fixed to pass through lower shear pin 11 between the lower main body and the low sleeve.
Embodiment 4:
A kind of novel hierarchical formula described in embodiment 1 is anti-to spit sand pressure break sand blasting unit, and the lower hard alloy sand jet outlet is located at
The position of the low sleeve.
Embodiment 5:
A kind of novel hierarchical formula described in embodiment 1 is anti-to spit sand pressure break sand blasting unit, the fracturing string and the upper master
Upper seal 12 is housed between body, upper seal 13 is housed between the upper main body and the lower main body.
Embodiment 6:
A kind of anti-blasting method for spitting sand pressure break sand blasting unit of novel hierarchical formula, using two-stage sandblasting mode, first order sand jet outlet
It is located at lower body upper, second level sand jet outlet is located at body upper；When the work of first order sand jet outlet, at the sand jet outlet of the second level
In closed state；When needing second level sand jet outlet to work, first order sand jet outlet is closed using pitching pressuring method, the second level
Sand jet outlet work, is again closed second level sand jet outlet with pitching pressuring method after sandblasting, is guaranteeing pressure break sandblasting operation just
Often carry out.
Embodiment 7:
A kind of novel hierarchical formula described in above-described embodiment is anti-to spit sand pressure break sand blasting unit, when pressure break, installs on process pipe string
Novel hierarchical formula is anti-to spit sand pressure break sand blasting unit, and after pressing crack construction, upper sliding sleeve 3 is squeezed into downslide using pitching pressuring method
It covers 6 positions, blocks lower part sand jet outlet, keep fracturing packer to rise envelope state, simultaneously close off head valve, keep tubing pressure not
Drop.
Claims (6)
1. a kind of novel hierarchical formula is anti-to spit sand pressure break sand blasting unit, composition includes: fracturing string, it is characterized in that: described
Fracturing string is inserted into upper main body, and the upper main body connects lower main body, and the upper main body is provided with upper sliding sleeve, the upper cunning
Set connection low sleeve, the upper main body are welded with hard alloy sand jet outlet, and the lower main body is welded with lower hard alloy sandblasting
Mouthful.
2. a kind of novel hierarchical formula according to claim 1 is anti-to spit sand pressure break sand blasting unit, it is characterized in that: described is upper
Upper О shape circle is housed between main body and the upper sliding sleeve, it is solid by upper shear pin between the upper main body and the upper sliding sleeve
It is fixed.
3. a kind of novel hierarchical formula according to claim 1 is anti-to spit sand pressure break sand blasting unit, it is characterized in that: under described
Lower О shape circle is housed between main body and the low sleeve, it is solid by lower shear pin between the lower main body and the low sleeve
It is fixed.
4. a kind of novel hierarchical formula according to claim 1 is anti-to spit sand pressure break sand blasting unit, it is characterized in that: under described
Hard alloy sand jet outlet is located at the position of the low sleeve.
5. a kind of novel hierarchical formula according to claim 1 is anti-to spit sand pressure break sand blasting unit, it is characterized in that: the pressure
It splits equipped with upper seal between tubing string and the upper main body, upper sealing is housed between the upper main body and the lower main body
Circle.
6. a kind of anti-blasting method for spitting sand pressure break sand blasting unit of novel hierarchical formula, it is characterized in that: using two-stage sandblasting mode,
First order sand jet outlet is located at lower body upper, and second level sand jet outlet is located at body upper；When the work of first order sand jet outlet, the
Second level sand jet outlet is in close state；When needing second level sand jet outlet to work, using pitching pressuring method by first order sandblasting
Mouth is closed, and second level sand jet outlet is closed with pitching pressuring method again after sandblasting, guarantees pressure break by the work of second level sand jet outlet
Sandblasting operation is normally carried out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810861638.2A CN108952661A (en) | 2018-08-01 | 2018-08-01 | A kind of novel hierarchical formula is anti-to spit sand pressure break sand blasting unit and blasting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810861638.2A CN108952661A (en) | 2018-08-01 | 2018-08-01 | A kind of novel hierarchical formula is anti-to spit sand pressure break sand blasting unit and blasting method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108952661A true CN108952661A (en) | 2018-12-07 |
Family
ID=64466837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810861638.2A Pending CN108952661A (en) | 2018-08-01 | 2018-08-01 | A kind of novel hierarchical formula is anti-to spit sand pressure break sand blasting unit and blasting method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108952661A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115163024A (en) * | 2022-08-04 | 2022-10-11 | 大安鸿源管业有限公司 | Novel hierarchical formula is prevented spitting sand fracturing sandblast device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2100480U (en) * | 1991-08-16 | 1992-04-01 | 大庆石油管理局采油工艺研究所 | Pressure-guiding sand-blast packer for pressing crack |
| CN201865652U (en) * | 2010-11-25 | 2011-06-15 | 中国石油化工股份有限公司 | Oil-gas deep well fracturing string |
| CN202338318U (en) * | 2011-11-02 | 2012-07-18 | 中国石油集团渤海钻探工程有限公司 | Separate-layer fracturing control device |
| CN204386551U (en) * | 2014-12-03 | 2015-06-10 | 爱迪斯新技术有限责任公司 | Pilot packer and step by step pilot multiple fracturing device step by step |
| CN204960910U (en) * | 2015-09-07 | 2016-01-13 | 鄯善县天川石油机械有限责任公司 | Big multistage sliding sleeve sand jet of latus rectum |
| WO2018089021A1 (en) * | 2016-11-11 | 2018-05-17 | Halliburton Energy Services, Inc. | Liquefied natural gas (lng) re-fracturing |
-
2018
- 2018-08-01 CN CN201810861638.2A patent/CN108952661A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2100480U (en) * | 1991-08-16 | 1992-04-01 | 大庆石油管理局采油工艺研究所 | Pressure-guiding sand-blast packer for pressing crack |
| CN201865652U (en) * | 2010-11-25 | 2011-06-15 | 中国石油化工股份有限公司 | Oil-gas deep well fracturing string |
| CN202338318U (en) * | 2011-11-02 | 2012-07-18 | 中国石油集团渤海钻探工程有限公司 | Separate-layer fracturing control device |
| CN204386551U (en) * | 2014-12-03 | 2015-06-10 | 爱迪斯新技术有限责任公司 | Pilot packer and step by step pilot multiple fracturing device step by step |
| CN204960910U (en) * | 2015-09-07 | 2016-01-13 | 鄯善县天川石油机械有限责任公司 | Big multistage sliding sleeve sand jet of latus rectum |
| WO2018089021A1 (en) * | 2016-11-11 | 2018-05-17 | Halliburton Energy Services, Inc. | Liquefied natural gas (lng) re-fracturing |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115163024A (en) * | 2022-08-04 | 2022-10-11 | 大安鸿源管业有限公司 | Novel hierarchical formula is prevented spitting sand fracturing sandblast device |
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Application publication date: 20181207 |