CN2758436Y - Jet suction ball valve type pulse vibration well drilling tool - Google Patents
Jet suction ball valve type pulse vibration well drilling tool Download PDFInfo
- Publication number
- CN2758436Y CN2758436Y CNU200420041254XU CN200420041254U CN2758436Y CN 2758436 Y CN2758436 Y CN 2758436Y CN U200420041254X U CNU200420041254X U CN U200420041254XU CN 200420041254 U CN200420041254 U CN 200420041254U CN 2758436 Y CN2758436 Y CN 2758436Y
- Authority
- CN
- China
- Prior art keywords
- drill bit
- coupling sleeve
- pipe nipple
- hydroscillator
- coupling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 46
- 230000008878 coupling Effects 0.000 claims abstract description 39
- 238000010168 coupling process Methods 0.000 claims abstract description 39
- 238000005859 coupling reaction Methods 0.000 claims abstract description 39
- 239000012530 fluid Substances 0.000 claims abstract description 22
- 230000010355 oscillation Effects 0.000 claims abstract description 10
- 210000002445 nipple Anatomy 0.000 claims description 34
- 238000003754 machining Methods 0.000 claims description 3
- 230000010349 pulsation Effects 0.000 abstract description 15
- 239000011435 rock Substances 0.000 abstract description 10
- 230000000644 propagated effect Effects 0.000 abstract 1
- 230000000737 periodic effect Effects 0.000 description 6
- 230000035939 shock Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000009527 percussion Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
Images
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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/18—Drilling by liquid or gas jets, with or without entrained pellets
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
The utility model relates to a jet suction ball valve type pulse vibration well drilling tool which is composed of a driven coupling pup joint of a drill bit, a coupling sleeve, a valve ball, a hydraulic oscillator, a casing, a drilling string coupling pup joint, etc. The utility model is characterized in that the driven coupling pup joint of a drill bit is matched with the casing at the lower end of the casing; the upper end and the lower end of the driven coupling pup joint of a drill bit are respectively connected with the coupling sleeve and the drill bit; a tapered valve seat is arranged at the middle part of the coupling sleeve; the valve ball is arranged in a cavity on the upper end of the coupling sleeve; the upper end of the coupling sleeve is connected with the hydraulic oscillator; the upper end of the casing is connected with a drilling string by the drilling string coupling pup joint. The utility model has the theory that a hydraulic oscillating element is used for modulating, sucking and jetting the valve ball to periodically block a passage of drilling fluid, which generates hydraulic pulsation acted on the drill bit. Thus, the drill bit generates oscillation; meanwhile, the hydraulic pulsation of the drilling fluid is downward propagated to a bottom hole, so the flow field of the bottom hole also generates pulsation; the combined action of the vibration of the drill bit and the hydraulic pulsation of the flow field of the bottom hole enables the stress conditions of rocks nearby the drill bit and the bottom hole to be obviously improved. Thus, the drilling efficiency of the drill bit for breaking the rocks is effectively raised.
Description
Technical field
The utility model belongs to the corollary apparatus of oil, gas drilling.
Technical background
Practice shows, drill bit is applied suitable periodic shock active force and the suitable pulsation of bottom-hole flow field, all helps to improve the drilling efficiency of deep formation and firm hard formation.According to practice knowledge, Chinese scholars, engineer have developed multiple pulse well drilling equipment and percussion drilling tool, but the present instrument of developing exist to some extent the life-span short, be subjected to property of drilling fluid and well depth influence big, the impact shock parameter is unreasonable, to the more high deficiency of the performance requirement of kits such as drill bit, these deficiencies have restricted the development of pulse drilling technology and percussion drilling technology.
Summary of the invention
The purpose of this utility model provides a kind of jet suction ball valve formula impulse oscillation drilling tool, be used to solve prior art means life-span weak point, be subjected to the influence of property of drilling fluid and well depth bigger, the impact shock parameter is unreasonable, be difficult to effectively improve problems such as deep formation and hard drilling speed, its principle is to penetrate the passage that valve ball is periodically blocked drilling fluid by the modulation of hydraulic oscillation element and suction, make drilling fluid produce hydraulic pulse, this hydraulic pulse acts on drill bit by energy transfer mechanism, make drill bit produce vibration, the hydraulic pulse of drilling fluid is transmitted to the shaft bottom downwards simultaneously, make bottom-hole flow field also produce pulsation, the comprehensive function of the vibration of drill bit and the hydraulic pulse of bottom-hole flow field, make near the force-bearing situation of the rock in drill bit and shaft bottom significantly improve, effectively improve the broken rock drilling efficiency of drill bit.
The utility model is achieved like this, it is driven by drill bit and connects pipe nipple, coupling sleeve, valve ball, hydroscillator, housing and drill string connect compositions such as pipe nipple, drill bit drives connection pipe nipple two ends and is processed with internal and external threads, lower end and drill bit link, the cooperation through hole of housing lower end and drill bit drive the cooperation section that connects the pipe nipple middle part and are processed into polygon, the lower end of coupling sleeve is processed with internal thread, connecting pipe nipple with the drill bit driving links, at the coupling sleeve middle part, threaded upper end, be processed with conical valve seat, Surface Machining at conical valve seat has guiding gutter, the upper end cavity of coupling sleeve is cylindric, drill bit drives and connects pipe nipple is fitted into the housing lower end by the housing lower end cooperation through hole, valve ball is packed in the cavity of conical valve seat upper end, coupling sleeve middle part, the upper end and the hydroscillator of coupling sleeve join, the upper end in hydroscillator axle center, lower end and middle part are processed with the drilling fluid inlet respectively, outlet and hydraulic oscillation chamber, the upper end of housing connects pipe nipple by drill string and drill string links, drill string connects the lower surface of pipe nipple and the upper surface of hydroscillator joins, hydroscillator, coupling sleeve adopts to be sealed and matched with housing and is connected, drilling fluid connects pipe nipple through drill string and enters hydroscillator, through resonance, feedback, self-oscillation process such as frequency-selecting and amplification, outlet ejection by hydroscillator forms pulsing jet, this pulsing jet acts on the valve ball, drive the connection pipe nipple by coupling sleeve and drill bit drill bit is formed periodic impact forces, the drilling fluid waterpower pulsation that is formed by the hydroscillator modulation simultaneously is transmitted to the shaft bottom downwards through drill bit driving connection pipe nipple and drill bit, make bottom-hole flow field produce pulsation, in zone near the hydroscillator outlet, the upper end of valve ball, because the effect of entrainmenting of jet, formed a low-pressure area, act on valve ball, upper and lower side at valve ball forms a pressure differential of pointing to drill string, make valve ball up, connect until bumping with the outlet of hydroscillator, close the drilling fluid runner is instantaneous, the high speed drilling fluid produces positive water attack because of blocking-up, in hydroscillator, form very big surge pressure, this surge pressure acts on the valve ball upper end, the pushing valve ball is descending rapidly, impact the conical valve seat at coupling sleeve middle part, formed impact forces drives to connect under the pipe nipple by coupling sleeve and drill bit and reaches drill bit, surge pressure is transmitted to the shaft bottom downwards through drill bit driving connection pipe nipple and drill bit simultaneously, make bottom-hole flow field produce pulsation, so go round and begin again, hydraulic pulse that the hydroscillator modulation generates and suction are penetrated valve ball and are periodically blocked the comprehensive function of drilling well fluid passage generation surge pressure, drill bit is formed periodic impact forces, make drill bit produce extensional vibration, the hydraulic pulse of drilling fluid also is transmitted to the shaft bottom downwards simultaneously, the comprehensive function of the vibration of drill bit and the hydraulic pulse of bottom-hole flow field, make near the force-bearing situation of the rock in drill bit and shaft bottom significantly improve, effectively improve the broken rock drilling efficiency of drill bit, the frequency of drill vibration and bottom-hole flow field pulsation, peak value and amplitude are by adjusting valve ball, the size of coupling sleeve and hydroscillator waits and obtains.
The advantage of creatively comprehensive waterpower pulse of the utility model and percussion drilling two class technology, periodic shock active force with the modulation generation, be converted to the extensional vibration of drill bit and the pulsation of bottom-hole flow field, by improving near the force-bearing situation of rock drill bit and the shaft bottom, effectively improve the broken rock drilling efficiency of drill bit, the utlity model has simple in structure, use easy to operate, safe and reliable, press consumption low, the compliance on drill bit and stratum is influenced characteristics such as drilling tool structure by force and not, for improve bit speed, reducing production costs has important and practical meanings.
Description of drawings
Fig. 1 jet suction ball valve formula impulse oscillation drilling tool
1. drill bit drives and connects pipe nipple; 2. coupling sleeve; 3. valve ball; 4. hydroscillator; 5. housing; 6. drill string connects pipe nipple; 7. conical valve seat; 8. guiding gutter
The specific embodiment
Now the utility model will be further described in conjunction with Figure of description.
When adopting the utility model to carry out wellbore construction, drill bit drives connection pipe nipple two ends and is processed with internal and external threads, lower end and drill bit link, the cooperation through hole of housing lower end and drill bit drive the cooperation section that connects the pipe nipple middle part and are processed into polygon, the lower end of coupling sleeve is processed with internal thread, connecting pipe nipple with the drill bit driving links, at the coupling sleeve middle part, threaded upper end, be processed with conical valve seat, Surface Machining at conical valve seat has guiding gutter, the upper end cavity of coupling sleeve is cylindric, drill bit drive to connect pipe nipple and is fitted into the cooperation through hole of housing lower end by the housing lower end, and valve ball is packed in the cavity of conical valve seat upper end, coupling sleeve middle part, and the upper end and the hydroscillator of coupling sleeve join, the upper end in hydroscillator axle center, lower end and middle part are processed with the drilling fluid inlet respectively, outlet and hydraulic oscillation chamber, the upper end of housing connects pipe nipple by drill string and drill string links, and drill string connects the lower surface of pipe nipple and the upper surface of hydroscillator joins hydroscillator, coupling sleeve adopts to be sealed and matched with housing and is connected.
When adopting the utility model to carry out wellbore construction, drilling fluid connects pipe nipple through drill string and enters hydroscillator, through resonance, feedback, self-oscillation process such as frequency-selecting and amplification, outlet ejection by hydroscillator forms pulsing jet, this pulsing jet acts on the valve ball, drive the connection pipe nipple by coupling sleeve and drill bit drill bit is formed periodic impact forces, the drilling fluid waterpower pulsation that is formed by the hydroscillator modulation simultaneously is transmitted to the shaft bottom downwards through drill bit driving connection pipe nipple and drill bit, make bottom-hole flow field produce pulsation, in zone near the hydroscillator outlet, the upper end of valve ball, because the effect of entrainmenting of jet, formed a low-pressure area, act on valve ball, upper and lower side at valve ball forms a pressure differential of pointing to drill string, make valve ball up, connect until bumping with the outlet of hydroscillator, close the drilling fluid runner is instantaneous, the high speed drilling fluid produces positive water attack because of blocking-up, in hydroscillator, form very big surge pressure, this surge pressure acts on the valve ball upper end, the pushing valve ball is descending rapidly, impact the conical valve seat at coupling sleeve middle part, formed impact forces drives to connect under the pipe nipple by coupling sleeve and drill bit and reaches drill bit, surge pressure is transmitted to the shaft bottom downwards through drill bit driving connection pipe nipple and drill bit simultaneously, make bottom-hole flow field produce pulsation, so go round and begin again, hydraulic pulse that the hydroscillator modulation generates and suction are penetrated valve ball and are periodically blocked the comprehensive function of drilling well fluid passage generation surge pressure, drill bit is formed periodic impact forces, make drill bit produce extensional vibration, the hydraulic pulse of drilling fluid also is transmitted to the shaft bottom downwards simultaneously, the comprehensive function of the vibration of drill bit and the hydraulic pulse of bottom-hole flow field, make near the force-bearing situation of the rock in drill bit and shaft bottom significantly improve, effectively improve the broken rock drilling efficiency of drill bit, the frequency of drill vibration and bottom-hole flow field pulsation, peak value and amplitude are by adjusting valve ball, the size of coupling sleeve and hydroscillator waits and obtains.
Claims (2)
1. jet suction ball valve formula impulse oscillation drilling tool, it comprises that drill bit drives the connection pipe nipple, coupling sleeve, valve ball, hydroscillator, housing and drill string connect pipe nipple, it is characterized in that drill bit drives connection pipe nipple [1] two ends and is processed with internal and external threads, lower end and drill bit link, the cooperation through hole of housing [5] lower end and drill bit drive the cooperation section that connects pipe nipple [1] middle part and are processed into polygon, the lower end of coupling sleeve [2] is processed with internal thread, connecting pipe nipple [1] with the drill bit driving links, at coupling sleeve [2] middle part, threaded upper end, be processed with conical valve seat [7], Surface Machining at conical valve seat [7] has guiding gutter [8], the upper end cavity of coupling sleeve [2] is cylindric, drill bit drives and connects pipe nipple [1] is fitted into housing [5] lower end by housing [5] lower end cooperation through hole, valve ball [3] is packed in the cavity of coupling sleeve [2] middle part conical valve seat [7] upper end, the upper end of coupling sleeve [2] and hydroscillator [4] join, the upper end in hydroscillator [4] axle center, lower end and middle part are processed with the drilling fluid inlet respectively, outlet and hydraulic oscillation chamber, the upper end of housing [5] connects pipe nipple [6] by drill string and links with drill string, and drill string connects the lower surface of pipe nipple [6] and the upper surface of hydroscillator [4] joins.
2. jet suction ball valve formula impulse oscillation drilling tool according to claim 1 is characterized in that hydroscillator [4], coupling sleeve [2] and housing [5] adopt to be sealed and matched to be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200420041254XU CN2758436Y (en) | 2004-06-11 | 2004-06-11 | Jet suction ball valve type pulse vibration well drilling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200420041254XU CN2758436Y (en) | 2004-06-11 | 2004-06-11 | Jet suction ball valve type pulse vibration well drilling tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2758436Y true CN2758436Y (en) | 2006-02-15 |
Family
ID=36078578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200420041254XU Expired - Fee Related CN2758436Y (en) | 2004-06-11 | 2004-06-11 | Jet suction ball valve type pulse vibration well drilling tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2758436Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1952343B (en) * | 2006-11-10 | 2010-05-26 | 四川大学 | Mechanical self-excited interactive hydraulic pulse drill bit pup joint |
| CN1952342B (en) * | 2006-11-10 | 2010-05-26 | 四川大学 | Drill bit with pulse generation cavity |
| CN105888552A (en) * | 2014-11-25 | 2016-08-24 | 盐城市华谊石油机械有限公司 | Hydraulic vibration type screw drill |
| CN106121540A (en) * | 2016-05-09 | 2016-11-16 | 中国石油大学(华东) | Shaft bottom drilling liquid pressure concussion manipulator |
| CN107542397A (en) * | 2017-08-31 | 2018-01-05 | 长江大学 | A kind of oil drilling coupled surge device |
| CN109915030A (en) * | 2019-04-23 | 2019-06-21 | 西南石油大学 | The PDC drill bit of multidirectional coupled pulse oscillation |
| CN111852371A (en) * | 2020-08-11 | 2020-10-30 | 西安宝之沣实业有限公司 | Hydraulic vibrator with converter |
| CN112112568A (en) * | 2020-09-07 | 2020-12-22 | 中石化石油机械股份有限公司 | Lower oscillation sliding vane jet flow range-extending hydraulic oscillator |
| CN112796666A (en) * | 2019-11-14 | 2021-05-14 | 中石化石油工程技术服务有限公司 | Vibration coupling type drilling tool impactor |
-
2004
- 2004-06-11 CN CNU200420041254XU patent/CN2758436Y/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1952343B (en) * | 2006-11-10 | 2010-05-26 | 四川大学 | Mechanical self-excited interactive hydraulic pulse drill bit pup joint |
| CN1952342B (en) * | 2006-11-10 | 2010-05-26 | 四川大学 | Drill bit with pulse generation cavity |
| CN105888552A (en) * | 2014-11-25 | 2016-08-24 | 盐城市华谊石油机械有限公司 | Hydraulic vibration type screw drill |
| CN105888552B (en) * | 2014-11-25 | 2018-11-20 | 盐城市华谊石油机械有限公司 | A kind of hydraulic vibration formula helicoid hydraulic motor |
| CN106121540A (en) * | 2016-05-09 | 2016-11-16 | 中国石油大学(华东) | Shaft bottom drilling liquid pressure concussion manipulator |
| CN107542397A (en) * | 2017-08-31 | 2018-01-05 | 长江大学 | A kind of oil drilling coupled surge device |
| CN107542397B (en) * | 2017-08-31 | 2023-08-22 | 长江大学 | Coupling impactor for petroleum drilling |
| CN109915030A (en) * | 2019-04-23 | 2019-06-21 | 西南石油大学 | The PDC drill bit of multidirectional coupled pulse oscillation |
| CN112796666A (en) * | 2019-11-14 | 2021-05-14 | 中石化石油工程技术服务有限公司 | Vibration coupling type drilling tool impactor |
| CN112796666B (en) * | 2019-11-14 | 2022-10-14 | 中石化石油工程技术服务有限公司 | Vibration coupling type drilling tool impactor |
| CN111852371A (en) * | 2020-08-11 | 2020-10-30 | 西安宝之沣实业有限公司 | Hydraulic vibrator with converter |
| CN112112568A (en) * | 2020-09-07 | 2020-12-22 | 中石化石油机械股份有限公司 | Lower oscillation sliding vane jet flow range-extending hydraulic oscillator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |