CN108181128A - The method and apparatus for drilling through friable core - Google Patents
The method and apparatus for drilling through friable core Download PDFInfo
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- CN108181128A CN108181128A CN201810002332.1A CN201810002332A CN108181128A CN 108181128 A CN108181128 A CN 108181128A CN 201810002332 A CN201810002332 A CN 201810002332A CN 108181128 A CN108181128 A CN 108181128A
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- housing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
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Abstract
A kind of method and apparatus for drilling through friable core provided by the invention, the method for drilling through friable core include：Obtain the first rock core；Obtain tubing；Wherein the internal diameter of tubing is less than the outer diameter of the first rock core；Along the radial cuts tubing of tubing, to obtain the housing that length is not less than the first rock core；The side wall of housing is handled, to form the slot axially penetrated through on the side wall of housing；First rock core is arranged in housing, so that the periphery wall of the first rock core can mutually be fixed with the internal perisporium of housing；It cuts housing and the first rock core simultaneously by slot, housing and the first rock core correspondence is divided into multiple housings and multiple second rock cores, wherein each housing corresponds to the second rock core of package, so that each housing forms rock sample with corresponding second rock core；/ 3rd of the cross-sectional area of housing when the cross-sectional area of rock sample is arranged in not less than the first rock core in housing.The method and apparatus for drilling through friable core for drilling through success rate are improved the present invention provides a kind of energy.
Description
Technical field
The present invention relates to Petroleum Production technical field more particularly to a kind of method and apparatus for drilling through friable core.
Background technology
Friable core can include mud shale, thin interbed carbonate rock etc..In order to study friable core, need first
Drill through the sample of friable core.
In the prior art, friable core is drilled through, generally includes the following steps：Drilling and coring delivery, rock core measure, rock core is compiled
Number, core description, rock core segmentation and core sample drill through.Since friable core is after the fluids such as moisture scatter and disappear, easily along stratification
It is broken.And friable core is in room conditions, the fluid loss such as moisture are quickly.It is retouched again because of rock core measurement, core numbers, rock core
State, to drill through these steps be to be operated in room conditions for rock core segmentation and core sample, so by above-mentioned steps
Afterwards or in some above-mentioned step, rock core is i.e. in broken state.In this way, the method for the prior art for drilling through rock core
Molding core column can not be obtained, it is relatively low that rock core sample drills through success rate.
Invention content
The method and apparatus for drilling through friable core for drilling through success rate are improved the object of the present invention is to provide a kind of energy.
Following technical proposal can be used to realize in the above-mentioned purpose of the present invention：A kind of method for drilling through friable core, including：
Obtain the first rock core；Obtain housing；First rock core is arranged in the housing, so that the periphery wall of first rock core
It can mutually be fixed with the internal perisporium of the housing；The axially cutting housing and first rock core along the housing, to obtain
Rock sample, wherein the rock sample is formed by part housing and by part first rock core that the part housing is wrapped up.
As a preferred embodiment, step obtains housing, specifically include：Obtain tubing；Wherein described tubing
Internal diameter is less than the outer diameter of first rock core；Along tubing described in the radial cuts of the tubing, to obtain length not less than described
The housing of first rock core；The side wall of the housing is handled, is axially penetrated through with being formed on the side wall of the housing
Slot.
As a preferred embodiment, the axially cutting housing and first rock of the step along the housing
The heart, to obtain rock sample, wherein the rock sample is by part housing and by part first rock core that the part housing is wrapped up
Composition；It specifically includes：The housing and first rock core are cut by the slot simultaneously, by the housing and described
One rock core correspondence is divided into multiple housings and multiple second rock cores, wherein each housing corresponds to and wraps up second rock core,
So that each housing forms rock sample with corresponding second rock core.
As a preferred embodiment, the cross-sectional area of the rock sample be arranged in not less than first rock core it is described
/ 3rd of the cross-sectional area of housing when in housing.
As a preferred embodiment, the axially cutting housing and first rock of the step along the housing
The heart, to obtain rock sample, wherein the rock sample is by part housing and by part first rock core that the part housing is wrapped up
Composition；It specifically includes：The housing and first rock core are cut from one end of the housing to the other end of the housing, with
Rock sample is obtained, wherein the rock sample is formed by part housing and by part first rock core that the part housing is wrapped up.
As a preferred embodiment, the tubing is glass reinforced plastic pipe.
As a preferred embodiment, step handles the side wall of the housing, in the side of the housing
The slot axially penetrated through is formed on wall, is specifically included：Multiple label informations are circumferentially arranged in the outer wall upper edge of the housing；To institute
The side wall for stating housing is handled, between the adjacent label information formed axially through slot.
As a preferred embodiment, step obtains housing, further include before：First rock core is freezed
Processing.
As a preferred embodiment, step carries out freezing processing to first rock core, specifically include：To described
First rock core, which is sealed, to be handled so that environmental sealing material on the outer wall of first rock core；To being enclosed with the sealing material
First rock core carry out freezing processing.
As a preferred embodiment, the sealing material is preservative film.
A kind of device for drilling through friable core, including：First acquisition module is used to obtain the first rock core；Second obtains
Module is used to obtain housing；First processing module is used to first rock core being arranged in the housing, so that institute
Stating the periphery wall of the first rock core can mutually fix with the internal perisporium of the housing；First cutting module is used for along the housing
The axially cutting housing and first rock core, to obtain rock sample, wherein the rock sample is as part housing and as described in part
Part the first rock core composition that housing is wrapped up.
The advantageous effect of the method and apparatus for drilling through friable core that the application provides is：The application embodiment drills through
The method of friable core first by the way that the first rock core is arranged in housing so that the periphery wall of the first rock core can in housing
Peripheral wall is mutually fixed.Then along the axially cutting housing of housing and the first rock core, to obtain rock sample, wherein rock sample by part housing and
The first rock core of part wrapped up by part housing forms.Since the friable core in rock sample is wrapped up by part housing, and it is outer
Set do not allow it is broken, so the shape of one side friable core can by breakable part housing is not allowed to be kept, another aspect
Part housing also has squeezing action to friable core, broken so as to not allow friable core.So friable core is avoided to exist
Lead to not obtain molding core column there is a situation where broken in drilling operation, success rate is drilled through so as to improve.So as to
The method and apparatus for drilling through friable core for drilling through success rate are improved the present invention provides a kind of energy.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present invention, for
For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing.
The flow chart for the method for drilling through friable core that Fig. 1 one embodiment of the present invention provides；
The schematic diagram for the radial cuts tubing that Fig. 2 one embodiment of the present invention provides；
The schematic diagram of the label information for one rock sample of arrangement that Fig. 3 one embodiment of the present invention provides；
The schematic diagram of the label information for two rock samples of arrangement that Fig. 4 one embodiment of the present invention provides；
The schematic diagram of formation slot that Fig. 5 one embodiment of the present invention provides；
The first rock core that Fig. 6 one embodiment of the present invention provides penetrates the schematic diagram of housing；
The schematic diagram of acquisition rock sample that Fig. 7 one embodiment of the present invention provides；
The schematic diagram for the device for drilling through friable core that Fig. 8 one embodiment of the present invention provides.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
It please refers to Fig.1.The method for drilling through friable core that a kind of embodiment of the application provides, can include：It obtains
First rock core 21；Obtain housing 19；First rock core 21 is arranged in the housing 19, so that first rock core 21
Periphery wall can mutually be fixed with the internal perisporium of the housing 19；Along the axially cutting housing 19 of the housing 19 and described first
Rock core 21, to obtain rock sample, wherein described in the part that the rock sample is wrapped up as part housing 19 and as the part housing 19
First rock core 21 forms.
As can be seen from the above technical solutions：The method for drilling through friable core of the application embodiment is first by by
One rock core 21 is arranged in housing 19, so that the periphery wall of the first rock core 21 can mutually be fixed with the internal perisporium of housing 19.Then edge
19 and first rock core 21 of axially cutting housing of housing 19, to obtain rock sample, wherein rock sample is by part housing 19 and by partly outer
The first rock core of part 21 that set 19 is wrapped up forms.Since the friable core in rock sample is wrapped up, and housing by part housing 19
19 do not allow it is broken, so the shape of one side friable core can be by not allowing breakable part housing 19 to be kept, the opposing party
Face exceptionally set 19 also has squeezing action to friable core, broken so as to not allow friable core.So avoid easy detritus
The heart leads to not obtain molding core column in drilling operation there is a situation where broken, and success rate is drilled through so as to improve.
As shown in Figure 1, in the present embodiment, step S1：Obtain the first rock core 21.Specifically, it can be taken by drilling well
The method of the heart is to obtain the first rock core 21.The shape of first rock core 21 is cylindrical on the whole.First rock core 21 can be
One kind of friable core, such as mud shale, thin interbed carbonate rock etc..
In the present embodiment, step S3：Housing 19 is obtained, which is used to carry out the periphery wall of the first rock core 21
It is fixed.
In one embodiment, step S3：Housing 19 is obtained, is specifically included：
Step S31：Tubing 22 is obtained, the wherein internal diameter of tubing 22 is less than the outer diameter of the first rock core 21.The tubing 22 it is interior
Diameter is less than the outer diameter of the first rock core 21, thus when the first rock core 21 is arranged in housing 19, the first rock core 21 and 19 knot of housing
Close close, and housing 19 can apply the extruding force of radial direction to the periphery wall of the first rock core 21 so that the first rock core 21 do not allow it is fragile
It is broken, so as to which the first rock core 21 be enable to maintain its original shape.The tubing 22 can be glass reinforced plastic pipe.Since glass reinforced plastic pipe has
Preferable rigidity and toughness, and frictional resistance is small, during so as to which the first rock core 21 is arranged in housing 19, the first rock core 21 with
Glass reinforced plastic pipe is not only tightly combined, but also the 21 indeformable and damage of the first rock core.
Step S33：As shown in Fig. 2, along the radial cuts tubing 22 of tubing 22, to obtain length not less than the first rock core 21
Housing 19.It is not less than the length of the first rock core 21 so as to the length of housing 19.So as to be arranged in housing 19 when the first rock core 21
When middle, housing 19 can cover the first rock core 21.
Step S35：As shown in figure 5, the side wall of housing 19 is handled, to form axial pass through on the side wall of housing 19
The slot 28 worn.Because the internal diameter of tubing 22 is less than the outer diameter of the first rock core 21, in order to be arranged in the first rock core 21
In housing 19, on the tube wall of housing 19 formed one axially through slot 28.When first rock core 21 is worn, which is supportted
It opens, the side wall of housing 19 expands outwardly, so that the first rock core 21 can be stretched into housing 19.
Further, the side wall of housing 19 being handled can include：Machining, example are carried out to the side wall of housing 19
Such as the outer wall to housing 19 from one end of housing 19 to the side wall of the other end of housing 19 cutting housing 19 or from housing 19
Inner wall cuts the side wall of housing 19.The side wall of housing 19, which is handled, to be included：Milling is carried out to the side wall of housing 19
Processing.Certainly, the technique handled to the side wall of housing 19 is without being limited thereto, other techniques is can also be, to this application
It does not provide.
Preferably, step S35：The side wall of housing 19 is handled, is axially penetrated through with being formed on the side wall of housing 19
Slot 28, specifically include：
(1) multiple label informations 24 are circumferentially arranged in the outer wall upper edge of housing 19.Each label information 24 is used for label one
Rock sample.As shown in figure 3, the label information 24 can be the direction of top to the bottom of the label of rock sample, length and rock sample.
As shown in figure 4, in a specific embodiment, two are circumferentially arranged when needing the outer wall upper edge in housing 19
During the label information 24 of rock sample, that is, arrange the first label information 24 and the second label information 24.And 24 He of the first label information
Second label information 24 is respectively used to two rock samples of label.First label information 24 is recorded first on the outer wall of housing 19,
Then housing 19 is rotated 90 degree, then records second label information 24, so when obtaining any one in two rock samples,
Label information 24 corresponding thereto is recorded on each rock sample.
(2) as shown in figure 5, handling the side wall of housing 19, to form axial pass through between adjacent label information 24
Logical slot 28.
In a specific embodiment, cut between adjacent label information 24 in the tube wall of housing 19
It is upper to form longitudinally through slot 28.Thus when cutting housing 19 and the first rock core 21 by slot 28, each label information
24 can correspond to and be documented on the outer wall of a rock sample.
In the present embodiment, step S5：First rock core 21 is arranged in housing 19, so that the periphery of the first rock core 21
Wall can mutually be fixed with the internal perisporium of housing 19.Specifically, as shown in fig. 6, can one end of the first rock core 21 be penetrated housing 19
In.Due to have on the side wall of housing 19 one axially through slot 28, and the internal diameter of housing 19 is not worn in the first rock core 21
The preceding outer diameter for being less than the first rock core 21, so can be by the way that slot 28 is strutted, the side wall of housing 19 expands outwardly so that the first rock
The heart 21 can be arranged in housing 19, and the periphery wall of such first rock core 21 can mutually be fixed with the internal perisporium of housing 19.
In the present embodiment, step S7：Along 19 and first rock core 21 of axially cutting housing of housing 19, to obtain rock
Sample, wherein rock sample are made of part housing 19 and first rock core of the part wrapped up by part housing 19 21.Due in rock sample
Friable core is wrapped up by part housing 19, and housing 19 do not allow it is broken, so the shape of one side friable core can be by not
The part housing 19 being easily broken is kept, and another aspect part housing 19 also has squeezing action to friable core, so as to make easily
The detritus heart is not allowed broken.Friable core is so avoided in drilling operation to occur broken and lead to not obtain molding rock
The situation of stem drills through success rate so as to improve.
As shown in fig. 7, in one embodiment, step S7：Along 19 and first rock core of axially cutting housing of housing 19
21, to obtain rock sample, wherein rock sample is made of part housing 19 and first rock core of the part wrapped up by part housing 19 21；Tool
Body includes：
19 and first rock core 21 of housing is cut simultaneously by slot 28,19 and first rock core 21 of housing correspondence is divided into
Multiple housings and multiple second rock cores, wherein each housing corresponds to the second rock core of package, so that each housing and corresponding second
Rock core forms rock sample.It cuts 19 and first rock core 21 of housing by slot 28 and can reduce and divide the first rock core for being arranged with housing 19
21 difficulty.
Further, the cross-sectional area of rock sample is arranged in the cross section of housing 19 when in housing 19 not less than the first rock core 21
Long-pending 1/3rd.The second rock core in it can be wrapped so as to the shell that can guarantee in the rock sample of cross-sectional area minimum.So
Avoid the situation that shell is separated in the second rock core.
Preferably, step S7：Along 19 and first rock core 21 of axially cutting housing of housing 19, to obtain rock sample, wherein rock
Sample is made of part housing 19 and first rock core of the part wrapped up by part housing 19 21；It specifically includes：From the one of housing 19
Hold to the other end of housing 19 and cut 19 and first rock core 21 of housing, to obtain rock sample, wherein rock sample by part housing 19 and by
The first rock core of part 21 that part housing 19 is wrapped up forms.
Since housing 19 is cylindrical, so the end face of one end of cylindrical housing 19 is placed in horizontal position first
It puts, so can cut 19 and first rock core 21 of housing from one end of housing 19 to the other end of housing 19, so facilitate cutting
Operation.
In one embodiment, step S3：It is further included before obtaining housing 19：First rock core 21 is carried out at freezing
Reason.It specifically includes：
To the first rock core 21 be sealed handle so that the first rock core 21 outer wall on environmental sealing material.So as to anti-
Only the fluids such as moisture in the first rock core 21 is lost, so that the first rock core 21 is molded.Further, the sealing material is protects
Fresh film.
(2) freezing processing is carried out to the first rock core 21 for being enclosed with sealing material.
Please refer to Fig. 8.In the present embodiment, rock core guarantor's type device that a kind of embodiment of the application provides, including：The
One acquisition module 11 is used to obtain the first rock core 21；Second acquisition module 13 is used to obtain housing 19；First processing mould
Block 15 is used to first rock core 21 being arranged in the housing 19, so that the periphery wall of first rock core 21 can be with
The internal perisporium of the housing 19 is mutually fixed；First cutting module 17 is used for the axially cutting housing along the housing 19
19 and first rock core 21, to obtain rock sample, wherein the rock sample is wrapped by part housing 19 and by the part housing 19
Part first rock core 21 wrapped up in forms.
As can be seen from the above technical solutions：Rock core guarantor's type device of the application embodiment is first by by the first rock core
21 are arranged in housing 19, so that the periphery wall of the first rock core 21 can mutually be fixed with the internal perisporium of housing 19.Then along housing 19
19 and first rock core 21 of axially cutting housing, to obtain rock sample, wherein rock sample is by part housing 19 and by 19 institute of part housing
The first rock core of part 21 of package forms.Since the friable core in rock sample is wrapped up, and housing 19 is not allowed by part housing 19
It is broken, so the shape of one side friable core can be by not allowing breakable part housing 19 to be kept, another aspect part
Housing 19 also has squeezing action to friable core, broken so as to not allow friable core.So friable core is avoided boring
Lead to not obtain molding core column there is a situation where broken during taking, success rate is drilled through so as to improve.
In the present embodiment, the first acquisition module 11 is used to obtain the first rock core 21.Specifically, brill can be passed through
The method that well is cored is to obtain the first rock core 21.The shape of first rock core 21 is cylindrical on the whole.First rock core 21 can
To be one kind of friable core, such as mud shale, thin interbed carbonate rock etc..
In the present embodiment, the second acquisition module 13 is used to obtain housing 19, which is used for the first rock core
21 periphery wall is fixed.
In one embodiment, the second acquisition module 13 is used to obtain housing 19, specifically include：
Third acquisition module is used to obtain tubing 22, and the wherein internal diameter of tubing 22 is less than the outer diameter of the first rock core 21.It should
The internal diameter of tubing 22 is less than the outer diameter of the first rock core 21, thus when the first rock core 21 is arranged in housing 19, the first rock core 21
It is tightly combined with housing 19, and housing 19 can apply the extruding force of radial direction to the periphery wall of the first rock core 21, so that the first rock core
21 do not allow it is broken, so as to which the first rock core 21 be enable to maintain its original shape.The tubing 22 can be glass reinforced plastic pipe.Due to glass
Glass steel pipe has preferable rigidity and toughness, and frictional resistance is small, thus when the first rock core 21 is arranged in housing 19, the
One rock core 21 is not only tightly combined with glass reinforced plastic pipe, but also the 21 indeformable and damage of the first rock core.
As shown in Fig. 2, the 4th acquisition module, is used for the radial cuts tubing 22 along tubing 22, it is not small to obtain length
In the housing 19 of the first rock core 21.It is not less than the length of the first rock core 21 so as to the length of housing 19.So as to when the first rock core 21
When being arranged in housing 19, housing 19 can cover the first rock core 21.
As shown in figure 5, Second processing module, is used to handle the side wall of housing 19, in the side wall of housing 19
It is upper to form the slot 28 axially penetrated through.Because the internal diameter of tubing 22 is less than the outer diameter of the first rock core 21, in order to make first
Rock core 21 is arranged in housing 19, on the tube wall of housing 19 formed one axially through slot 28.It, should when first rock core 21 is worn
Slot 28 is softened, and the side wall of housing 19 expands outwardly, so that the first rock core 21 can be stretched into housing 19.
Further, the side wall of housing 19 being handled can include：Machining, example are carried out to the side wall of housing 19
Such as the outer wall to housing 19 from one end of housing 19 to the side wall of the other end of housing 19 cutting housing 19 or from housing 19
Inner wall cuts the side wall of housing 19.The side wall of housing 19, which is handled, to be included：Milling is carried out to the side wall of housing 19
Processing.Certainly, the technique handled to the side wall of housing 19 is without being limited thereto, other techniques is can also be, to this application
It does not provide.
Preferably, Second processing module is used to handle the side wall of housing 19, with the shape on the side wall of housing 19
Into the slot 28 axially penetrated through, specifically include：
(1) multiple label informations 24 are circumferentially arranged in the outer wall upper edge of housing 19.Each label information 24 is used for label one
Rock sample.As shown in figure 3, the label information 24 can be the direction of top to the bottom of the label of rock sample, length and rock sample.
As shown in figure 4, in a specific embodiment, two are circumferentially arranged when needing the outer wall upper edge in housing 19
During label information 24, i.e. label the first label information 24 and the second label information 24.And first label information 24 and second is marked
Note information 24 is respectively used to two rock samples of label.First label information 24 is recorded first on the outer wall of housing 19, then will
Housing 19 rotates 90 degree, then records second label information 24, so when obtaining any one in two rock samples, Mei Geyan
Label information 24 corresponding thereto is all recorded on sample.
(2) as shown in figure 5, handling the side wall of housing 19, to form axial pass through between adjacent label information 24
Logical slot 28.
In a specific embodiment, cut between adjacent label information 24 in the tube wall of housing 19
It is upper to form longitudinally through slot 28.Thus when cutting housing 19 and the first rock core 21 by slot 28, each label information
24 can correspond to and be documented on the outer wall of a rock sample.
In the present embodiment, first processing module 15 are used to the first rock core 21 being arranged in housing 19, so that the
The periphery wall of one rock core 21 can mutually be fixed with the internal perisporium of housing 19.It specifically, as shown in fig. 6, can be by the first rock core 21
One end is penetrated in housing 19.Due to have on the side wall of housing 19 one axially through slot 28, and the internal diameter of housing 19 is the
One rock core 21 is less than the outer diameter of the first rock core 21 before not wearing, so can be by the way that slot 28 is strutted, the side wall of housing 19 is outside
Expansion so that the first rock core 21 can be arranged in housing 19, and the periphery wall of such first rock core 21 can be with the internal perisporium of housing 19
It is mutually fixed.
As shown in fig. 7, in the present embodiment, the first cutting module 17 is used for the axially cutting housing along housing 19
19 and first rock core 21, to obtain rock sample, wherein rock sample is by part housing 19 and the part first wrapped up by part housing 19
Rock core 21 forms.Since the friable core in rock sample is wrapped up by part housing 19, and housing 19 do not allow it is broken, so a side
The shape of face friable core can be by not allowing breakable part housing 19 to be kept, and another aspect part housing 19 is also to easy detritus
The heart has squeezing action, broken so as to not allow friable core.Friable core is so avoided to occur to crush in drilling operation
And lead to not obtain the situation of molding core column, drill through success rate so as to improve.
In one embodiment, the first cutting module 17 is used for the axially cutting housing 19 and first along housing 19
Rock core 21, to obtain rock sample, wherein rock sample is by part housing 19 and 21 groups of the first rock core of part wrapped up by part housing 19
Into；It specifically includes：
19 and first rock core 21 of housing is cut simultaneously by slot 28,19 and first rock core 21 of housing correspondence is divided into
Multiple housings and multiple second rock cores, wherein each housing corresponds to the second rock core of package, so that each housing and corresponding second
Rock core forms rock sample.It cuts 19 and first rock core 21 of housing by slot 28 and can reduce and divide the first rock core for being arranged with housing 19
21 difficulty.
Further, the cross-sectional area of rock sample is arranged in the cross section of housing 19 when in housing 19 not less than the first rock core 21
Long-pending 1/3rd.The second rock core in it can be wrapped so as to the shell that can guarantee in the rock sample of cross-sectional area minimum.So
Avoid the situation that shell is separated in the second rock core.
Preferably, the first cutting module 17 is used for 19 and first rock core 21 of axially cutting housing along housing 19, to obtain
It bores sample, wherein rock sample is made of part housing 19 and first rock core of the part wrapped up by part housing 19 21；It specifically includes：
19 and first rock core 21 of housing is cut from one end of housing 19 to the other end of housing 19, to obtain rock sample, wherein rock sample is by portion
Exceptionally set 19 and the first rock core of part 21 wrapped up by part housing 19 forms.
Since housing 19 is cylindrical, so the end face of one end of cylindrical housing 19 is placed in horizontal position first
It puts, so can cut 19 and first rock core 21 of housing from one end of housing 19 to the other end of housing 19, so facilitate cutting
Operation.
In one embodiment, the second acquisition module 13 is used to further include before obtaining housing 19：To the first rock core
21 carry out freezing processing.It specifically includes：
To the first rock core 21 be sealed handle so that the first rock core 21 outer wall on environmental sealing material.So as to anti-
Only the fluids such as moisture in the first rock core 21 is lost, so that the first rock core 21 is molded.Further, the sealing material is protects
Fresh film.
(2) freezing processing is carried out to the first rock core 21 for being enclosed with sealing material.
Herein cited any digital value all include between lower limiting value to upper limit value with the lower value of an incremented and
The all values of upper value, there are the intervals of at least two units between any lower value and any much higher value.For example, such as
Fruit elaborates that the quantity of component or the value of process variable (such as temperature, pressure, time etc.) are from 1 to 90, preferably from 20
To 80, more preferably from 30 to 70, then purpose be in order to illustrate also clearly list in the specification such as to 85, to 68,43
To 51,30 to 32 equivalences.For being less than 1 value, it is 0.0001,0.001,0.01,0.1 suitably to think a unit.These
Only it is intended to the example clearly expressed, it is believed that all possible combinations of numerical value enumerated between minimum and peak
All it is expressly set forth in a similar manner in the specification.
Unless otherwise indicated, all ranges all include all numbers between endpoint and endpoint.It is used together with range
" about " or " approximation " be suitable for two endpoints of the range.Thus, " about 20 to 30 " are intended to covering " about 20 to about
30 ", including at least the endpoint indicated.
All articles and reference disclosed, including patent application and publication, for various purposes by quoting knot
Together in this.Identified element, ingredient, component or step and reality should be included by describing the term " substantially by ... form " of combination
Other elements, ingredient, component or the step of the basic novel feature of the combination are not influenced in matter.Using term "comprising" or
" comprising " describes the combination of element here, ingredient, component or step it is also contemplated that substantially by these elements, ingredient, component
Or the embodiment that step is formed.Here by using term " can with ", it is intended to it is described any to illustrate that " can with " includes
Attribute is all optional.
Multiple element, ingredient, component or step can be provided by single integrated component, ingredient, component or step.Optionally
Ground, single integrated component, ingredient, component or step can be divided into multiple element, ingredient, component or the step of separation.It is used for
The open "a" or "an" for describing element, ingredient, component or step is not said to exclude other elements, ingredient, component
Or step.
Above-mentioned each embodiment in this specification is described by the way of progressive, identical between each embodiment
Similar portion is cross-referenced, and what each embodiment stressed is and other embodiment difference.
The foregoing is merely several embodiments of the application, although the embodiment disclosed by the application is as above, institute
Content is stated only to facilitate the embodiment for understanding the application and using, is not intended to limit the application.Technology belonging to any
The technical staff in field, can be in the form of embodiment under the premise of the spirit and scope disclosed by the application are not departed from
Make any modification and variation, but the scope of patent protection of the application in upper and details, it still must be with the appended claims institute circle
Subject to fixed range.
Claims (11)
- A kind of 1. method for drilling through friable core, which is characterized in that including：Obtain the first rock core；Obtain housing；First rock core is arranged in the housing, so that the periphery wall of first rock core can be with the inner circumferential of the housing Wall is mutually fixed；The axially cutting housing and first rock core along the housing, to obtain rock sample, wherein the rock sample is by part It housing and is made of part first rock core that the part housing is wrapped up.
- 2. the method according to claim 1 for drilling through friable core, it is characterised in that：Step obtains housing, specifically includes：Obtain tubing；The internal diameter of wherein described tubing is less than the outer diameter of first rock core；Along tubing described in the radial cuts of the tubing, to obtain the housing that length is not less than first rock core；The side wall of the housing is handled, to form the slot axially penetrated through on the side wall of the housing.
- 3. the method according to claim 2 for drilling through friable core, it is characterised in that：Step is cut along the axial direction of the housing The housing and first rock core are cut, to obtain rock sample, wherein the rock sample is by part housing and by the part housing institute Part the first rock core composition of package；It specifically includes：The housing and first rock core are cut by the slot simultaneously, the housing and first rock core are corresponded to Multiple housings and multiple second rock cores are divided into, wherein each housing corresponds to and wraps up second rock core, so that each institute It states housing and forms rock sample with corresponding second rock core.
- 4. the method according to claim 1 for drilling through friable core, it is characterised in that：The cross-sectional area of the rock sample is not small / 3rd of the cross-sectional area of housing when first rock core is arranged in the housing.
- 5. the method according to claim 1 for drilling through friable core, it is characterised in that：Step is cut along the axial direction of the housing The housing and first rock core are cut, to obtain rock sample, wherein the rock sample is by part housing and by the part housing institute Part the first rock core composition of package；It specifically includes：The housing and first rock core are cut from one end of the housing to the other end of the housing, to obtain rock sample, Wherein described rock sample is formed by part housing and by part first rock core that the part housing is wrapped up.
- 6. the method according to claim 2 for drilling through friable core, it is characterised in that：The tubing is glass reinforced plastic pipe.
- 7. the method according to claim 2 for drilling through friable core, it is characterised in that：Step to the side wall of the housing into Row processing, to form the slot axially penetrated through on the side wall of the housing, specifically includes：Multiple label informations are circumferentially arranged in the outer wall upper edge of the housing；The side wall of the housing is handled, between the adjacent label information formed axially through slot.
- 8. the method according to claim 1 for drilling through friable core, it is characterised in that：Step obtains housing, also wraps before It includes：Freezing processing is carried out to first rock core.
- 9. the method according to claim 8 for drilling through friable core, it is characterised in that：Step carries out first rock core Freezing processing specifically includes：To first rock core be sealed handle so that first rock core outer wall on environmental sealing material；Freezing processing is carried out to first rock core for being enclosed with the sealing material.
- 10. the method according to claim 9 for drilling through friable core, it is characterised in that：The sealing material is preservative film.
- 11. a kind of device for drilling through friable core, which is characterized in that including：First acquisition module is used to obtain the first rock core；Second acquisition module is used to obtain housing；First processing module is used to first rock core being arranged in the housing, so that the periphery of first rock core Wall can mutually be fixed with the internal perisporium of the housing；First cutting module is used for the axially cutting housing along the housing and first rock core, to obtain rock sample, Wherein described rock sample is formed by part housing and by part first rock core that the part housing is wrapped up.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810002332.1A CN108181128A (en) | 2018-01-02 | 2018-01-02 | The method and apparatus for drilling through friable core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810002332.1A CN108181128A (en) | 2018-01-02 | 2018-01-02 | The method and apparatus for drilling through friable core |
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| CN108181128A true CN108181128A (en) | 2018-06-19 |
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| CN201810002332.1A Pending CN108181128A (en) | 2018-01-02 | 2018-01-02 | The method and apparatus for drilling through friable core |
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Application publication date: 20180619 |