CN105909188B - The centralizer and drilling method of hydraulic vibrating - Google Patents
The centralizer and drilling method of hydraulic vibrating Download PDFInfo
- Publication number
- CN105909188B CN105909188B CN201610390080.5A CN201610390080A CN105909188B CN 105909188 B CN105909188 B CN 105909188B CN 201610390080 A CN201610390080 A CN 201610390080A CN 105909188 B CN105909188 B CN 105909188B
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- hammer
- centralizer
- drilling tool
- hole
- inner sleeve
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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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
- E21B17/1078—Stabilisers or centralisers for casing, tubing or drill pipes
-
- 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
- E21B28/00—Vibration generating arrangements for boreholes or wells, e.g. for stimulating production
-
- 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
- E21B7/24—Drilling using vibrating or oscillating means, e.g. out-of-balance masses
Abstract
The present invention provides a kind of centralizer and drilling method of hydraulic vibrating, and the centralizer of hydraulic vibrating includes top connection (1) and vibration centralizer assembly (2)；The vibration centralizer assembly (2) includes centralizer body (201), and the bottom of centralizer body (201) inner chamber offers connection internal thread (2013), for being fixedly connected with lower drilling tool；The inner chamber of the centralizer body (201) is provided with rotating impact device assembly；The rotating impact device assembly connects with the axially extending bore (101) of the top connection (1), and the high pressure liquid stream for flowing through axially extending bore (101) drives the rotating impact device assembly to carry out impact shock.Advantage is：Make centralizer that both there is the righting function of drilling tool, while also there is the function of vibration source, i.e.,：Internal hydraulic drive vibration source causes drilling tool locally to keep vibration, and drilling tool keeps sliding friction during work, greatly promotes the load transfer of horizontal drilling tool, can effectively reduce drilling cost.
Description
Technical field
The invention belongs to drilling technology field, and in particular to the centralizer and drilling method of a kind of hydraulic vibrating.
Background technology
Centralizer is a kind of stable drilling direction, prevents the inclined device of drilling tool.Current centralizer, it can be divided into three classes,
That is revolving scraper type, rotation rubber socket type and tooth roller do not expand type.Then, existing centralizer only has the righting of drilling tool
Function, function is very single, is not suitable for being applied to horizontal well long horizontal sections drilling tool.
The content of the invention
The defects of existing for prior art, the present invention provide a kind of centralizer and drilling method of hydraulic vibrating, can had
Effect solves the above problems.
The technical solution adopted by the present invention is as follows：
The present invention provides a kind of centralizer of hydraulic vibrating, including top connection (1) and vibration centralizer assembly (2)；
Wherein, the top connection (1) offers axially extending bore (101), and the axially extending bore (101) is used for and external high pressure
Liquid stream communicates and forms higher-pressure region；The top of the top connection (1) be provided with connection external screw thread (102), for top drilling tool
It is fixedly connected；The bottom of the top connection (1) connects with the top of the vibration centralizer assembly (2)；
The vibration centralizer assembly (2) includes centralizer body (201), the bottom of centralizer body (201) inner chamber
End offers connection internal thread (2013), for being fixedly connected with lower drilling tool；The inner chamber installation of the centralizer body (201)
There is rotating impact device assembly；The rotating impact device assembly connects with the axially extending bore (101) of the top connection (1), flows through axle
The rotating impact device assembly is driven to carry out impact shock to the high pressure liquid stream of through hole (101).
Preferably, the centralizer body (201) includes supporing shell and is sheathed in the supporing shell gabarit
Righting arm (2014).
Preferably, the rotating impact device assembly includes rotary impact hammer (202), rotation inner sleeve (203), upper capping
(204) and it is lower capping (205)；
The upper capping (204) is fixedly installed in the top of the centralizer body (201) inner chamber, the upper capping
(204) from-inner-to-outer offers mesopore (2041) and pod apertures (2042), the mesopore (2041) and the pod apertures vertically
(2042) communicate to form higher-pressure region with the axially extending bore (101) of the top connection (1)；
The lower capping (205) is fixedly installed in the bottom of the centralizer body (201) inner chamber, the lower capping
(205) from-inner-to-outer offers tap hole (2051) and discharge orifice (2052) vertically, the tap hole (2051) and described lets out
Discharge orifice (2052) communicates with liquid stream low-pressure area and forms low-pressure area；Wherein, liquid stream low-pressure area refers to the centralizer body
(201) bottom of inner chamber is used for the region being connected with lower drilling tool；
The centralizer body (201), the rotary impact hammer (202) and the rotation inner sleeve (203) are open tubular column
Body structure, the rotary impact hammer (202) are coaxially disposed in the inside of the centralizer body (201), the rotation inner sleeve
(203) it is coaxially disposed in the inside of the rotary impact hammer (202)；
Wherein, centralizer body (201) inner surface offers the 1st axial groove (2011) and the 2nd axial groove (2012)；
The rotary impact hammer (202) includes jump bit hollow cylinder, and is symmetricly set in the jump bit open tubular column
Outer hammer (2021) and interior hammer (2022) at left and right sides of body；Wherein, described outer hammer (2021) both sides have left outside to hole
And right export-oriented hole (2024) (2023)；Described interior hammer (2022) both sides have left inside to hole (2025) and right interior to hole
(2026)；In addition, the interior hammer (2022) is the structure for having a protuberance to the inner chamber of the jump bit hollow cylinder；
The rotation inner sleeve (203) includes inner sleeve hollow cylinder, and the external cylindrical surface of the inner sleeve hollow cylinder is provided with left footpath
Radial direction through hole (2034) is offered to support (2031), right radial support (2032) and evagination (2033), the evagination (2033)；
The rotation inner sleeve (203) is placed in the inner chamber of the rotary impact hammer (202), the left radial support (2031), the right side
The inwall of the outer edge surface of radial support (2032) and the evagination (2033) and the rotary impact hammer (202) is in close contact, institute
Between the inwall for stating the outside of left radial support (2031), the left side of the evagination (2033) and the rotary impact hammer (202)
Form left chamber body；The outside of the right radial support (2032), the right side of the evagination (2033) and the rotary impact hammer
(202) right chamber body is formed between inwall；
Also, the left radial support (2031) and the right radial support (2032) are respectively positioned at the interior hammer (2022)
Protuberance both sides；When the rotation inner sleeve (203) is carried out instead relative to the interior hammer (2022) of the rotary impact hammer (202)
To when rotating, the left radial support (2031) and the right radial support (2032) hit the interior hammer (2022), Jin Erzeng
Strong vibration effect；
Then：The 1st axial groove (2011) and the 2nd axial groove (2012) of the centralizer body (201) and the upper capping
(204) pod apertures (2042) communicate, and belong to higher-pressure region；To hole and the 1st axial groove (2011) in one of the interior hammer (2022)
Or the 2nd axial groove (2012) communicate to form higher-pressure region, and the interior hammer (2022) another in hole and the lower capping
(205) discharge orifice (2052) communicates to form low-pressure area, and interior hammer pressure at both sides difference acts on the outer wall of rotation inner sleeve (203), most
Driving rotation inner sleeve (203) relatively rotates in rotary impact hammer (202) eventually；
The export-oriented hole of described outer hammer (2021) side communicates to form high pressure with the radial direction through hole (2034) of rotation inner sleeve (203)
Area, and hammer into shape outside (2021) opposite side export-oriented hole and it is described it is lower capping (205) discharge orifice (2052) communicate to form low-pressure area, outside
Pressure at both sides difference driving rotary impact hammer (202) is hammered into shape to relatively rotate in centralizer body (201).
The present invention also provides a kind of method that centralizer using above-mentioned hydraulic vibrating is crept into, including following step
Suddenly：
Step 1：The top connection of the centralizer of hydraulic vibrating is fixedly connected with top drilling tool, by the centralizer of hydraulic vibrating
Bottom be fixedly connected with lower drilling tool；
Step 2：The centralizer of hydraulic vibrating is furnished with vibration source, and while to drilling tool righting, vibration source makes drilling tool local
Vibration is kept, makes drilling tool and periphery soil conservation sliding friction, lifts the load transfer of drilling tool；
Wherein, vibration source make drilling tool locally keep vibration method be：
Step 2.1, cleaner for high-pressure drilling fluid first flows into the axially extending bore (101) of top connection (1), then passes through upper capping respectively
(204) mesopore (2041) is flowed into the internal cavity of rotation inner sleeve (203), and, by the pod apertures of upper capping (204)
(2042) the 1st axial groove (2011) and the 2nd axial groove (2012) that centralizer body (201) inner surface opens up are flowed into；Now,
Internal cavity, the 1st axial groove (2011) and the 2nd axial groove (2012) for rotating inner sleeve (203) are higher-pressure region；
Step 2.2, rotate inner sleeve (203) internal cavity be higher-pressure region after, due to rotation inner sleeve (203) inner chamber pass through
Radial direction through hole (2034) communicates with the export-oriented hole of outer hammer (2021) side, and therefore, outer hammer (2021) side forms high pressure；And hammer into shape outside
(2021) the export-oriented hole of opposite side is communicated to form low pressure with the discharge orifice (2052) of lower capping (205), and outer hammer pressure at both sides difference is driven
Dynamic rotary impact hammer (202) rotates in centralizer body (201)；
After 1st axial groove (2011) of centralizer body (201) and the 2nd axial groove (2012) are higher-pressure region, due to the 1st axle
Communicated to groove (2011) or the 2nd axial groove (2012) with one of interior hammer (2022) to hole, therefore, in this of interior hammer (2022)
Higher-pressure region is formed to hole；And it is interior hammer (2022) another in communicate to form low-pressure area with discharge orifice (2052) to hole, it is interior hammer into shape two
Lateral pressure difference driving rotation inner sleeve (203) relatively rotates in rotary impact hammer (202)；
During rotary impact hammer (202) is rotated and rotation inner sleeve (203) is relatively rotated, vibration is produced,
And pass to drilling tool.
The centralizer and drilling method of hydraulic vibrating provided by the invention have advantages below：
Make centralizer that both there is the righting function of drilling tool, while also there is the function of vibration source, i.e.,：Internal hydraulic drive shakes
Dynamic source causes drilling tool locally to keep vibration, and drilling tool keeps sliding friction during work, greatly promotes the load transfer of horizontal drilling tool, energy
It is enough effectively to reduce drilling cost.
Brief description of the drawings
Fig. 1 is the profile of the centralizer of hydraulic vibrating provided by the invention；
Fig. 2 is a kind of Section X-X figure of the centralizer of Fig. 1 hydraulic vibrating under vibrational state；
Fig. 3 is Section X-X figure of the centralizer of Fig. 1 hydraulic vibrating under another vibrational state；
Fig. 4 is the Section X-X figure of the rotary impact hammer of the centralizer of hydraulic vibrating；
Fig. 5 is the Section X-X figure of the rotation inner sleeve of the centralizer of hydraulic vibrating.
Embodiment
In order that technical problem solved by the invention, technical scheme and beneficial effect are more clearly understood, below in conjunction with
Drawings and Examples, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein only to
The present invention is explained, is not intended to limit the present invention.
In drilling engineering, the drilling tool frictional resistances of horizontal well long horizontal sections is big, load transfer is difficult so that rate of penetration is relatively slow,
Drilling cost is higher.The centralizer of drilling well at present does not have a vibratory impulse function, in horizontal well, is installed on drilling tool diverse location
Several traditional centralizers, traditional centralizer only play certain drilling tool righting function, and still, drilling tool is due to the work of gravity
With pressing the lower edge of well, long horizontal sections are difficult to push ahead when creeping into.
Based on problem above, the present invention provides a kind of centralizer of hydraulic vibrating, for substituting traditional centralizer, the present invention
For the diverse location installed in horizontal drilling tool, when liquid stream is passed through, the rotary impact hammer inside centralizer starts to do one
Determine the impact shock of frequency, centralizer is kept vibration, so as to drive drill string vibration, therefore so that static pressure of the drilling tool to the borehole wall
Power is changed into sliding friction of the coefficient of friction below 0.3, substantially reduces drilling tool frictional resistance, is advantageous to the transmission of the pressure of the drill, it is thus possible to big
Width is improved the standard well bit speed, reduces drilling cost, economic benefits.
With reference to Fig. 1-Fig. 5, a kind of centralizer of hydraulic vibrating of present invention offer, including top connection 1 and vibration centralizer are total
Into 2；Wherein, top connection 1 offers axially extending bore 101, and axially extending bore 101 is used to communicate with external high pressure liquid stream and form high pressure
Area；The top of top connection 1 is provided with connection external screw thread 102, for being fixedly connected with top drilling tool；For example, can be with drilling rod, drill collar
Couple Deng drilling tool；The bottom of top connection 1 connects with the top of vibration centralizer assembly 2；
Vibration centralizer assembly 2 includes centralizer body 201, and the bottom of the inner chamber of centralizer body 201 is offered in connection
Screw thread 2013, for being fixedly connected with lower drilling tool；The inner chamber of centralizer body 201 is provided with rotating impact device assembly；Rotation
Impactor assembly connects with the axially extending bore 101 of top connection 1, flows through the high pressure liquid stream driving rotating impact device of axially extending bore 101
Assembly carries out impact shock.
Wherein, centralizer body 201 includes supporing shell and the righting arm 2014 being sheathed in supporing shell gabarit.
It is emphasized that for the centralizer of hydraulic vibrating provided by the invention, any existing structure can be embedded in
Rotating impact device assembly, as long as can realize that centralizer vibrates, concrete structure shape of the present invention to rotating impact device assembly
Formula is not intended to limit, and only introduces a kind of concrete form below：
Rotating impact device assembly includes rotary impact hammer 202, rotation inner sleeve 203, upper capping 204 and lower capping 205；
Upper capping 204 is fixedly installed in the top of the inner chamber of centralizer body 201, and from-inner-to-outer is opened vertically for upper capping 204
Provided with mesopore 2041 and pod apertures 2042, mesopore 2041 and pod apertures 2042 communicate to be formed with the axially extending bore 101 of top connection 1
Higher-pressure region；
Lower capping 205 is fixedly installed in the bottom of the inner chamber of centralizer body 201, and from-inner-to-outer is opened vertically for lower capping 205
Provided with tap hole 2051 and discharge orifice 2052, tap hole 2051 and discharge orifice 2052 communicate with liquid stream low-pressure area and form low pressure
Area；Wherein, liquid stream low-pressure area refers to that the bottom of the inner chamber of centralizer body 201 is used for the region being connected with lower drilling tool；
Centralizer body 201, rotary impact hammer 202 and rotation inner sleeve 203 are hollow cylinder structure, rotary impact hammer
202 are coaxially disposed in the inside of centralizer body 201, rotate inner sleeve 203 and are coaxially disposed in the inside of rotary impact hammer 202；
Wherein, the inner surface of centralizer body 201 offers the 1st axial groove 2011 and the 2nd axial groove 2012；
Rotary impact hammer 202 includes jump bit hollow cylinder, and is symmetricly set at left and right sides of jump bit hollow cylinder
Outer hammer 2021 and it is interior hammer 2022；Wherein, 2021 both sides of outer hammer have left outside to hole 2023 and right export-oriented hole 2024；Interior hammer
2022 both sides have it is left inside into hole 2025 and the right side to hole 2026；In addition, interior hammer 2022 is to jump bit hollow cylinder
Inner chamber has the structure of a protuberance；
Rotation inner sleeve 203 includes inner sleeve hollow cylinder, the external cylindrical surface of inner sleeve hollow cylinder provided with left radial support 2031,
Right radial support 2032 and evagination 2033, evagination 2033 offer radial direction through hole 2034；Rotation inner sleeve 203 is placed in rotary impact hammer
In 202 inner chamber, outer edge surface and the rotary impact hammer 202 of left radial support 2031, right radial support 2032 and evagination 2033
Inwall is in close contact, and is formed between the inwall in the outside of left radial support 2031, the left side of evagination 2033 and rotary impact hammer 202
Left chamber body；Right chamber is formed between the inwall in the outside of right radial support 2032, the right side of evagination 2033 and rotary impact hammer 202
Body；
Also, left radial support 2031 and right radial support 2032 are respectively positioned at the both sides of the interior protuberance for hammering 2022 into shape；When
When rotation inner sleeve 203 is rotated backward relative to the interior hammer 2022 of rotary impact hammer 202, left radial support 2031 and right radial direction
Support 2032 hammers 2022 into shape in hitting, and then strengthens vibrating effect；
Then：1st axial groove 2011 of centralizer body 201 and the 2nd axial groove 2012 and the pod apertures 2042 of upper capping 204
Communicate, belong to higher-pressure region；Communicate to form high pressure with the 1st axial groove 2011 or the 2nd axial groove 2012 to hole in one of interior hammer 2022
Area, and it is interior hammer 2022 another in hole with it is lower cover 205 discharge orifice 2052 communicate to form low-pressure area, interior hammer pressure at both sides
Difference acts on the outer wall of rotation inner sleeve 203, and final driving rotation inner sleeve 203 relatively rotates in rotary impact hammer 202；
The export-oriented hole of 2021 sides of outer hammer communicates to form higher-pressure region with rotating the radial direction through hole 2034 of inner sleeve 203, and hammers into shape outside
The export-oriented hole of 2021 opposite sides communicates to form low-pressure area with the discharge orifice 2052 of lower capping 205, outer hammer pressure at both sides difference driving rotation
Turn jump bit 202 to relatively rotate in centralizer body 201.
During work, a kind of centralizer of hydraulic vibrating of the present invention can be installed to the diverse location of drill string simultaneously,
When drilling fluid flows through instrument, driving rotary impact hammer does the impact shock of certain frequency, so, water in the presence of drilling fluid
The upper multiple spot vibration of flat drill tool, keeps drilling tool sliding friction state, reduces drilling tool because of the frictional resistance of Action of Gravity Field, well drilling well of improving the standard
Speed, reduce drilling cost.
Specifically, the present invention also provides a kind of method that centralizer using hydraulic vibrating is crept into, including following step
Suddenly：
Step 1：The top connection of the centralizer of hydraulic vibrating is fixedly connected with top drilling tool, by the centralizer of hydraulic vibrating
Bottom be fixedly connected with lower drilling tool；
Step 2：The centralizer of hydraulic vibrating is furnished with vibration source, and while to drilling tool righting, vibration source makes drilling tool local
Vibration is kept, makes drilling tool and periphery soil conservation sliding friction, lifts the load transfer of drilling tool；
Wherein, vibration source make drilling tool locally keep vibration method be：
Step 2.1, cleaner for high-pressure drilling fluid first flows into the axially extending bore 101 of top connection 1, then respectively by upper capping 204
Mesopore 2041 be flowed into the internal cavity of rotation inner sleeve 203, and, the pod apertures 2042 by upper capping 204 are flowed into and helped
The 1st axial groove 2011 and the 2nd axial groove 2012 that the positive inner surface of device body 201 opens up；Now, the inner chamber of inner sleeve 203 is rotated
Body, the 1st axial groove 2011 and the 2nd axial groove 2012 are higher-pressure region；
Step 2.2, the internal cavity of inner sleeve 203 is rotated for behind higher-pressure region, the inner chamber due to rotating inner sleeve 203 passes through radially
Through hole 2034 communicates with the export-oriented hole of 2021 sides of outer hammer, and therefore, 2021 sides of outer hammer form high pressure；And hammer 2021 opposite sides into shape outside
Export-oriented hole with it is lower capping 205 discharge orifice 2052 communicate to form low pressure, it is outer hammer pressure at both sides difference driving rotary impact hammer 202 exist
Rotated in centralizer body 201；
After 1st axial groove 2011 of centralizer body 201 and the 2nd axial groove 2012 are higher-pressure region, due to the 1st axial groove
2011 or the 2nd axial groove 2012 communicates with one of interior hammer 2022 to hole, therefore, high pressure is formed to hole in this of interior hammer 2022
Area；And it is interior hammer 2022 another in communicate to form low-pressure area with discharge orifice 2052 to hole, it is interior hammer pressure at both sides difference drive rotate
Inner sleeve 203 relatively rotates in rotary impact hammer 202；
When rotary impact hammer 202 is rotated and rotated during inner sleeve 203 relatively rotated, vibration is produced, and pass
Pass drilling tool.Therefore, rotary impact hammer carries out the impact shock of certain frequency in the presence of drilling fluid, makes more on horizontal drilling tool
Point vibration, keeps drilling tool sliding friction state, reduces drilling tool because of the frictional resistance of Action of Gravity Field, well bit speed of improving the standard, reduces
Drilling cost.
In summary, the present invention has the advantage that：
1) centralizer of vibration source built in：The righting function of existing drilling tool, while internal hydraulic drive vibration source to bore
Tool is local to keep vibration, and drilling tool keeps sliding friction during work, greatly promotes the load transfer of horizontal drilling tool, can effectively reduce
Drilling cost.
2) a kind of centralizer of hydraulic vibrating of the present invention is arranged on drill bit, can also be simultaneously installed in drill string
Diverse location, merely with a small amount of fluid energy, there is the advantages of easy to use.
2 advantages of the above cause the present invention in the deep-well in drilling engineering field, ultradeep well, horizontal well, extended reach well, multiple
There is advantage in the speed-raising operation such as miscellaneous well.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
Depending on protection scope of the present invention.
Claims (3)
1. a kind of centralizer of hydraulic vibrating, it is characterised in that including top connection (1) and vibration centralizer assembly (2)；
Wherein, the top connection (1) offers axially extending bore (101), and the axially extending bore (101) is used for and external high pressure liquid stream
Communicate and form higher-pressure region；The top of the top connection (1) is provided with connection external screw thread (102), for being fixed with top drilling tool
Connection；The bottom of the top connection (1) connects with the top of the vibration centralizer assembly (2)；
The vibration centralizer assembly (2) includes centralizer body (201), and the bottom of centralizer body (201) inner chamber is opened
Provided with connection internal thread (2013), for being fixedly connected with lower drilling tool；The inner chamber of the centralizer body (201) is provided with rotation
Turn impactor assembly；The rotating impact device assembly connects with the axially extending bore (101) of the top connection (1), flows through axially logical
The high pressure liquid stream in hole (101) drives the rotating impact device assembly to carry out impact shock；
Wherein, the rotating impact device assembly include rotary impact hammer (202), rotation inner sleeve (203), it is upper capping (204) and under
Cover (205)；
The upper capping (204) is fixedly installed in the top of the centralizer body (201) inner chamber, described upper capping (204) edge
Axial from-inner-to-outer offers mesopore (2041) and pod apertures (2042), and the mesopore (2041) and the pod apertures (2042) are equal
Communicate to form higher-pressure region with the axially extending bore (101) of the top connection (1)；
The lower capping (205) is fixedly installed in the bottom of the centralizer body (201) inner chamber, described lower capping (205) edge
Axial from-inner-to-outer offers tap hole (2051) and discharge orifice (2052), the tap hole (2051) and the discharge orifice
(2052) communicated with liquid stream low-pressure area and form low-pressure area；Wherein, liquid stream low-pressure area refers in the centralizer body (201)
The bottom of chamber is used for the region being connected with lower drilling tool；
The centralizer body (201), the rotary impact hammer (202) and the rotation inner sleeve (203) are hollow cylinder knot
Structure, the rotary impact hammer (202) are coaxially disposed same in the inside of the centralizer body (201), the rotation inner sleeve (203)
Axle is arranged at the inside of the rotary impact hammer (202)；
Wherein, centralizer body (201) inner surface offers the 1st axial groove (2011) and the 2nd axial groove (2012)；
The rotary impact hammer (202) includes jump bit hollow cylinder, and is symmetricly set in the jump bit hollow cylinder left side
The outer hammer (2021) of right both sides and interior hammer (2022)；Wherein, described outer hammer (2021) both sides have left outside to hole (2023)
With right export-oriented hole (2024)；Described interior hammer (2022) both sides have left inside to hole (2025) and right interior to hole (2026)；Separately
Outside, the interior hammer (2022) is the structure for having a protuberance to the inner chamber of the jump bit hollow cylinder；
The rotation inner sleeve (203) includes inner sleeve hollow cylinder, and the external cylindrical surface of the inner sleeve hollow cylinder is provided with left radial direction branch
Support (2031), right radial support (2032) and evagination (2033), the evagination (2033) offer radial direction through hole (2034)；It is described
Rotation inner sleeve (203) is placed in the inner chamber of the rotary impact hammer (202), the left radial support (2031), the right radial direction
The inwall of the outer edge surface of (2032) and the evagination (2033) and the rotary impact hammer (202) is supported to be in close contact, the left side
Formed between the inwall in the outside of radial support (2031), the left side of the evagination (2033) and the rotary impact hammer (202)
Left chamber body；The outside of the right radial support (2032), the right side of the evagination (2033) and the rotary impact hammer (202)
Right chamber body is formed between inwall；
Also, the left radial support (2031) and the right radial support (2032) are respectively positioned at the convex of the interior hammer (2022)
Go out the both sides in portion；When the rotation inner sleeve (203) is reversely turned relative to the interior hammer (2022) of the rotary impact hammer (202)
When dynamic, the left radial support (2031) and the right radial support (2032) hit the interior hammer (2022), and then strengthen and shake
Dynamic effect；
Then：The 1st axial groove (2011) and the 2nd axial groove (2012) of the centralizer body (201) and the upper capping (204)
Pod apertures (2042) communicate, belong to higher-pressure region；To hole and the 1st axial groove (2011) or the 2nd in one of the interior hammer (2022)
Axial groove (2012) communicates to form higher-pressure region, and the interior hammer (2022) another in hole and the lower capping (205)
Discharge orifice (2052) communicates to form low-pressure area, and interior hammer pressure at both sides difference acts on the outer wall of rotation inner sleeve (203), final driving rotation
Turn inner sleeve (203) to relatively rotate in rotary impact hammer (202)；
The export-oriented hole of described outer hammer (2021) side communicates to form higher-pressure region with the radial direction through hole (2034) of rotation inner sleeve (203),
And hammer into shape outside (2021) opposite side export-oriented hole and it is described it is lower capping (205) discharge orifice (2052) communicate to form low-pressure area, outer hammer
Pressure at both sides difference driving rotary impact hammer (202) relatively rotates in centralizer body (201).
2. the centralizer of hydraulic vibrating according to claim 1, it is characterised in that the centralizer body (201) includes
Supporing shell and the righting arm (2014) being sheathed in the supporing shell gabarit.
3. the method that a kind of centralizer of hydraulic vibrating using described in claim 1 is crept into, it is characterised in that including with
Lower step：
Step 1：The top connection of the centralizer of hydraulic vibrating is fixedly connected with top drilling tool, by the bottom of the centralizer of hydraulic vibrating
Portion is fixedly connected with lower drilling tool；
Step 2：The centralizer of hydraulic vibrating is furnished with vibration source, and while to drilling tool righting, vibration source makes drilling tool locally keep
Vibration, makes drilling tool and periphery soil conservation sliding friction, lifts the load transfer of drilling tool；
Wherein, vibration source make drilling tool locally keep vibration method be：
Step 2.1, cleaner for high-pressure drilling fluid first flows into the axially extending bore (101) of top connection (1), then passes through upper capping respectively
(204) mesopore (2041) is flowed into the internal cavity of rotation inner sleeve (203), and, by the pod apertures of upper capping (204)
(2042) the 1st axial groove (2011) and the 2nd axial groove (2012) that centralizer body (201) inner surface opens up are flowed into；Now,
Internal cavity, the 1st axial groove (2011) and the 2nd axial groove (2012) for rotating inner sleeve (203) are higher-pressure region；
Step 2.2, the internal cavity of inner sleeve (203) is rotated for behind higher-pressure region, the inner chamber due to rotating inner sleeve (203) passes through radially
Through hole (2034) communicates with the export-oriented hole of outer hammer (2021) side, and therefore, outer hammer (2021) side forms high pressure；And hammer into shape outside
(2021) the export-oriented hole of opposite side is communicated to form low pressure with the discharge orifice (2052) of lower capping (205), and outer hammer pressure at both sides difference is driven
Dynamic rotary impact hammer (202) rotates in centralizer body (201)；
After 1st axial groove (2011) of centralizer body (201) and the 2nd axial groove (2012) are higher-pressure region, due to the 1st axial groove
(2011) or the 2nd axial groove (2012) communicates with one of interior hammer (2022) to hole, therefore, to hole in this of interior hammer (2022)
Form higher-pressure region；And it is interior hammer (2022) another in communicate to form low-pressure area with discharge orifice (2052) to hole, it is interior hammer into shape two side pressures
Power difference driving rotation inner sleeve (203) relatively rotates in rotary impact hammer (202)；
During rotary impact hammer (202) is rotated and rotation inner sleeve (203) is relatively rotated, vibration is produced, and pass
Pass drilling tool.
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| CN105909188B true CN105909188B (en) | 2018-02-09 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2667141Y (en) * | 2003-12-11 | 2004-12-29 | 刘伟 | Horizontal well sand wash centralising device |
| CN203161114U (en) * | 2013-02-28 | 2013-08-28 | 中国石油集团川庆钻探工程有限公司 | Hydraulic centralizer applicable to multi-stage hydraulic jet fracturing |
| CN203742536U (en) * | 2014-01-29 | 2014-07-30 | 中国石油集团西部钻探工程有限公司 | Hydraulic oscillation centering device |
| US8890341B2 (en) * | 2011-07-29 | 2014-11-18 | Schlumberger Technology Corporation | Harvesting energy from a drillstring |
| CN205663414U (en) * | 2016-06-03 | 2016-10-26 | 上海鑫地能源科技有限公司 | Centralizer of hydraulic vibration |
-
2016
- 2016-06-03 CN CN201610390080.5A patent/CN105909188B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2667141Y (en) * | 2003-12-11 | 2004-12-29 | 刘伟 | Horizontal well sand wash centralising device |
| US8890341B2 (en) * | 2011-07-29 | 2014-11-18 | Schlumberger Technology Corporation | Harvesting energy from a drillstring |
| CN203161114U (en) * | 2013-02-28 | 2013-08-28 | 中国石油集团川庆钻探工程有限公司 | Hydraulic centralizer applicable to multi-stage hydraulic jet fracturing |
| CN203742536U (en) * | 2014-01-29 | 2014-07-30 | 中国石油集团西部钻探工程有限公司 | Hydraulic oscillation centering device |
| CN205663414U (en) * | 2016-06-03 | 2016-10-26 | 上海鑫地能源科技有限公司 | Centralizer of hydraulic vibration |
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