CN108343427A - Logging while drilling apparatus mandrel - Google Patents
Logging while drilling apparatus mandrel Download PDFInfo
- Publication number
- CN108343427A CN108343427A CN201810374126.3A CN201810374126A CN108343427A CN 108343427 A CN108343427 A CN 108343427A CN 201810374126 A CN201810374126 A CN 201810374126A CN 108343427 A CN108343427 A CN 108343427A
- Authority
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- China
- Prior art keywords
- mandrel
- flow passage
- logging
- metal flow
- passage pipe
- 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.)
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- 238000005553 drilling Methods 0.000 title claims abstract description 51
- 239000002184 metal Substances 0.000 claims abstract description 71
- 229910052751 metal Inorganic materials 0.000 claims abstract description 71
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 238000005452 bending Methods 0.000 claims description 29
- 230000035939 shock Effects 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 10
- 238000013016 damping Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 11
- 238000001514 detection method Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 241001074085 Scophthalmus aquosus Species 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000036961 partial effect Effects 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910000856 hastalloy Inorganic materials 0.000 description 1
- 229910000816 inconels 718 Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
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)
- Geophysics (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a kind of logging while drilling apparatus mandrels, including：Mandrel ontology, metal flow passage pipe and clamping element with inlet and liquid outlet, storage tank is offered on mandrel ontology, metal flow passage pipe is arranged in storage tank, and inlet and liquid outlet are arranged at mandrel outer body, clamping element is connect with mandrel ontology and metal flow passage pipe respectively, and clamping element makes mandrel ontology clamp metal flow passage pipe.Above-mentioned logging while drilling apparatus mandrel is low with product cost, detection is easy to maintain, maintenance cost is low and advantageous effect with long service life.
Description
Technical field
The present invention relates to oil reservoir logging field more particularly to a kind of logging while drilling apparatus mandrels.
Background technology
Mud is also known as drilling fluid, can play the role of cooling, lubrication in drilling well and borehole pressure is maintained to stablize.Generally
, in oilfield drilling, core that the mandrel of connector for logging while drilling is passed through into connector for logging while drilling as mud runner, mud
Axis is flowed out by drill bit, and flows back to ground from bottom to top, and the landwaste band generated in drilling process is back to ground.Due to containing in mud
There are crude oil, diesel oil and various oils and contain a large amount of chemical treatments, there is strong corrosive, mandrel to need high using price
The expensive resistant material containing precious metal element is made so that mandrel cost is high.In addition, once mandrel corrodes,
The groove to placement sensor and circuit of mandrel surface processing so that Corrosion monitoring is extremely difficult, also, once has serious
Wash away or corrode, the possibility very little of mandrel reparation, whole mandrel will be replaced, and the expense of mandrel itself and stripping
And placement sensor and the labour cost of circuit are all very high again, seriously affect the maintenance cost of mandrel.Therefore, tradition is surveyed with brill
There are product cost height, detection technical problems difficult in maintenance and high maintenance cost for the mandrel of well instrument.
Invention content
It is an object of the invention to propose a kind of logging while drilling apparatus mandrel, to overcome the mandrel of traditional connector for logging while drilling to deposit
Product cost is high, technical problem that detection is difficult in maintenance and high maintenance cost.
For this purpose, the present invention uses following technical scheme：
A kind of logging while drilling apparatus mandrel, including：Mandrel ontology, the metal flow passage pipe with inlet and liquid outlet and clamping
Part offers storage tank on mandrel ontology, and metal flow passage pipe is arranged in storage tank, and inlet and liquid outlet are arranged at core
On the outside of shaft body, clamping element is connect with mandrel ontology and metal flow passage pipe respectively, and clamping element makes mandrel ontology clamp metal flow passage
Pipe.
One end of inlet and/or liquid outlet is provided with bending on metal flow passage pipe in one of the embodiments,
Section.
The bending angle of bending segment is less than or equal to 10 ° in one of the embodiments,.
Logging while drilling apparatus mandrel further includes ultrasonic sensor, ultrasonic sensor and gold in one of the embodiments,
Belong to flow-path tube connection, and ultrasonic sensor is located at the both ends of bending segment.
Clamping element is arc pressure ring in one of the embodiments, and the inner surface of arc pressure ring is in the opening of storage tank
It is abutted with metal flow passage pipe, and the end of arc pressure ring is connect with mandrel ontology.
Logging while drilling apparatus mandrel further includes fastener in one of the embodiments, and the end set of arc pressure ring has admittedly
Determine portion, mounting hole is offered on fixed part, mounting hole is offered on mandrel ontology, fastener passes through mounting hole to be inserted into mounting hole
It is fastenedly connected with mandrel ontology.
Logging while drilling apparatus mandrel further includes shock ring in one of the embodiments, shock ring set be connected to arc pressure ring and
Mandrel outer body.
Logging while drilling apparatus mandrel further includes in one of the embodiments,：First shoulder block and the second shoulder block, the first shoulder block in
Set is connected on the outside of metal flow passage pipe at inlet, and the second shoulder block covers at liquid outlet to be connected on the outside of metal flow passage pipe, mandrel ontology
One end abutted with the first shoulder block, the other end is abutted with the second shoulder block.
Logging while drilling apparatus mandrel further includes the first conducting element and the second conducting element in one of the embodiments, and first leads
Stream part is connect with the first shoulder block, and the second conducting element is connect with the second shoulder block.
Logging while drilling apparatus mandrel further includes sealing element in one of the embodiments, and sealing element is arranged in the first conducting element
Between the first shoulder block, and, between the second conducting element and the second shoulder block.
Above-mentioned logging while drilling apparatus mandrel includes the mandrel ontology for offering storage tank, the gold with inlet and liquid outlet
Belonging to flow-path tube and clamping element, metal flow passage pipe is arranged in storage tank, and inlet and liquid outlet are arranged at mandrel outer body,
Clamping element will make mandrel ontology and metal flow passage pipe clamp tight.Above-mentioned logging while drilling apparatus mandrel uses metal flow passage pipe and mandrel sheet
Metal flow passage pipe is arranged in mandrel ontology, can effectively avoid mud and cause to corrode to mandrel ontology for the split-type design of body, from
And the material requirements to mandrel ontology is reduced, metal flow passage pipe can be used cheap metal tube and be made, can substantially reduce with brill
The mandrel cost of logger.Also, metal flow passage pipe is simple in structure, is easily easy prediction by erosion corrosion position, further dropped
Low detection maintenance cost.Meanwhile even if metal flow passage pipe is corroded by mud during use, directly removing metal flow passage pipe more
The metal flow passage pipe renewed, without being replaced to mandrel ontology, replacement operation is simple and convenient, of low cost, and helps
In extending mandrel ontology service life, cost is further saved.Therefore, above-mentioned compared with tradition is with the mandrel of logger is turned
Logging while drilling apparatus mandrel is low with product cost, detection is easy to maintain, maintenance cost is low and advantageous effect with long service life.
Description of the drawings
Fig. 1 is the structural schematic diagram of logging while drilling apparatus mandrel in one embodiment；
Fig. 2 is the assembling structure schematic diagram of one embodiment core shaft body and metal flow passage pipe；
Fig. 3 is the lateral partial structurtes sectional view of metal flow passage pipe in one embodiment；
Fig. 4 is the structure sectional view of logging while drilling apparatus mandrel in one embodiment；
The partial enlarged view in the portions A in Fig. 5 Fig. 4；
Fig. 6 is the assembling structure sectional view of metal flow passage pipe and the first shoulder block and the second shoulder block in one embodiment；
The assembling structure sectional view of logging while drilling apparatus mandrel and shell in Fig. 7 one embodiment.
In figure：
10- logging while drilling apparatus mandrels, 20- shells；
11- mandrel ontologies, 12- metal flow passage pipes, 13- clamping elements, 14- ultrasonic sensors, 15- shock rings, 16- first
Shoulder block, the second shoulder blocks of 17-, the first conducting elements of 18-, the second conducting elements of 19-；
121- inlets, 122- liquid outlets, 123- bending segments.
Specific implementation mode
Technical solution to further illustrate the present invention below with reference to the accompanying drawings and specific embodiments.
In the description of the present invention, it is to be understood that, term "upper", "lower", "front", "rear", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "top", "bottom", "inner", "outside" is orientation based on ... shown in the drawings or position
Relationship is set, is merely for convenience of description of the present invention and simplification of the description, device is not indicated or implied the indicated or element is necessary
With specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
Please refer to Fig. 1 to Fig. 7, the logging while drilling apparatus mandrel 10 of an embodiment includes mandrel ontology 11, have into
The metal flow passage pipe 12 and clamping element 13 of liquid mouth 121 and liquid outlet 122.Storage tank, metal flow passage are offered on mandrel ontology 11
Pipe 12 is arranged in storage tank, and inlet 121 and liquid outlet 122 are arranged at 11 outside of mandrel ontology, and clamping element 13 is distinguished
It is connect with mandrel ontology 11 and metal flow passage pipe 12, clamping element 13 makes mandrel ontology 11 clamp metal flow passage pipe 12.
Specifically, metal flow passage pipe 12 uses high-strength corrosion-resistant compo pipe, if C276 (Hastelloy) is managed,
Inconel718 compo pipes etc..The internal diameter of metal flow passage pipe 12 is by with turning the mud flow rate range of logger according to industrial standard
Selected, the pipe outside diameter of metal flow passage pipe 12 is codetermined by internal diameter and with the bearing requirements for turning logger.Mandrel ontology 11 by
Regular tenacity alloy, such as 300 series stainless steels are opened up storage tank and place metal in an axial direction as raw material on mandrel ontology 11
Flow-path tube 12.Other positions placement sensor on mandrel ontology 11, circuit board and its between connection, mandrel ontology 11 can
Using molding structure is integrally machined, the assembly structure of multiple components, the present embodiment can also be used simultaneously to be not specifically limited.
In the present embodiment, logging while drilling apparatus mandrel 10 uses the split-type design of metal flow passage pipe 12 and mandrel ontology 11,
Storage tank is opened up on mandrel ontology 11 in an axial direction, metal flow passage pipe 12 is arranged in storage tank, metal flow passage pipe 12 and mandrel sheet
Radial clamping is carried out between body 11 by clamping element 13 to fix.When metal flow passage pipe 12 is assembled with mandrel ontology 11, by metal stream
Deferent 12 is put by the opening of storage tank in storage tank, then is by metal flow passage pipe 12 and the clamping of mandrel ontology 11 with clamping element 13
Can, installation operation is simple and convenient.
Metal flow passage pipe is arranged in above-mentioned logging while drilling apparatus mandrel in mandrel ontology, can effectively avoid mud to mandrel sheet
Body causes to corrode, and to reduce the material requirements to mandrel ontology, metal flow passage pipe can be used cheap metal tube and be made, can
Substantially reduce the mandrel cost of connector for logging while drilling.Also, metal flow passage pipe is simple in structure, is easily easy by erosion corrosion position pre-
It surveys, assesses that degradation degree is simple and practicable, it can be achieved that detection in time is replaced by thickness measure, the tool of thereby may be ensured that will not be because
It excessively washes away and bearing capacity is caused to decline and fail, detection maintenance cost can be further decreased.Meanwhile even if during use
Metal flow passage pipe is corroded by mud, directly removes the metal flow passage pipe that metal flow passage pipe more renews, without to mandrel ontology
It is replaced, replacement operation is simple and convenient, of low cost, and helps to extend mandrel ontology service life, further saves into
This.Therefore, compared with tradition is with the mandrel of logger is turned, above-mentioned logging while drilling apparatus mandrel is low with product cost, detection is tieed up
Shield is convenient, maintenance cost is low and advantageous effect with long service life.
In one embodiment, it is provided with close to one end of inlet 121 and/or liquid outlet 122 on metal flow passage pipe 12
Bending segment 123.123 one side of bending segment can be near inlet 121 and/or liquid outlet 122 to entering metal flow passage pipe 12
Interior mud carries out water conservancy diversion, keeps mud flowing more smooth, helps to prevent runner from blocking；On the other hand, the bending of bending segment 123
Gap can be formed between place and mandrel ontology 11, can be used for that the electronic components such as sensor, circuit board and connection line are installed,
Electronic component is facilitated to install.In the present embodiment, bending segment is set in one end of the inlet 121 close to metal flow passage pipe 12
123, and along mud flow direction, close to the overbending direction and close liquid outlet 122 1 of the bending segment 123 of 121 side of liquid outlet
The overbending direction of the bending segment 123 at end is opposite.But in practical applications, the quantity of specific bending 123, overbending direction and curved
Dog-ear degree etc. can be arbitrarily arranged according to actual needs, and the present embodiment is simultaneously not specifically limited.However, it is necessary to which explanation, is anti-
Only mud excessively washes away, and the bending angle of bending segment 123 should not be too large, as shown in figure 3, in one embodiment, bending segment 123
Bending angle ɑ be less than or equal to 10 °.
In one embodiment, logging while drilling apparatus mandrel 10 further includes ultrasonic sensor 14, ultrasonic sensor 14 with
Metal flow passage pipe 12 connects, and ultrasonic sensor 14 is located at the both ends of bending segment 123.In the present embodiment, setting ultrasonic wave passes
Sensor 14 detects the thickness of metal flow passage pipe 12 to monitor the degradation degree of metal flow passage pipe 12 in real time, to remind in time more
Change, to ensure tool will not because excessively wash away cause bearing capacity decline due to fail, can further decrease detection maintenance at
This.Specifically, the bending place at 123 both ends of bending segment is most easily washed away, and bending angle is bigger, wash away it is more serious, therefore, will
Ultrasonic sensor 14 is arranged the bending place at 123 both ends of bending segment, in the present embodiment, on mandrel ontology 11 with bending segment
The corresponding position in 123 both ends bending place opens up ultrasonic sensor mounting groove, and ultrasonic sensor 14 passes through ultrasonic sensor
Mounting groove is connect with metal flow passage pipe 12.
In one embodiment, clamping element 13 is arc pressure ring, the inner surface of arc pressure ring in storage tank opening with
Metal flow passage pipe 12 abuts, and the end of arc pressure ring is connect with mandrel ontology 11.Specifically, in one embodiment, with brill
Logging instrument mandrel 10 further includes fastener, and the end set of arc pressure ring has fixed part, mounting hole, mandrel are offered on fixed part
Mounting hole is offered on ontology, fastener passes through mounting hole to be inserted into mounting hole and is fastenedly connected with mandrel ontology.In the present embodiment,
It is connected by fastener between arc pressure ring and mandrel ontology 11, however, in other embodiments, arc pressure ring and mandrel ontology
Also can be used between 11 such as rivet, be clamped other manner be fixedly connected in addition arc pressure ring can also use elastic locking ring,
Arc pressure ring is directly sleeved on 11 outside of mandrel ontology to be clamped, therefore, is led between the above arc pressure ring and mandrel ontology 11
It is one embodiment to cross fastener connection, is not intended to limit the present invention.
Further, in one embodiment, logging while drilling apparatus mandrel 10 further includes shock ring 15, and 15 sets of shock ring is connected to
11 outside of arc pressure ring and mandrel ontology.During well logging, logging while drilling apparatus can be by a large amount of vibrations and impact, this reality
It applies in example, shock ring 15 is socketed on the outside of arc pressure ring, can be formed between mandrel ontology 11 and the shell of logging while drilling apparatus
Damping, buffering, shock ring 15 can effectively reduce vibration and the impact strength suffered by mandrel ontology 11, to protect mandrel ontology
Circuit on 11 and sensor.In other embodiments, can also be subtracted with enhancing in 11 outside setting shock ring 15 of mandrel ontology
Effect is shaken, in one embodiment, one shock ring 15 of 600-1000 millimeters of arrangements can be spaced.Specifically, shock ring 15 can be adopted
It is made of vibration-absorptive materials such as rubber, silica gel.
Logging while drilling apparatus mandrel further includes in one of the embodiments,：First shoulder block 16 and the second shoulder block 17, first gear
Shoulder 16 covers at inlet 121 is connected to 12 outside of metal flow passage pipe, and the second shoulder block 17 covers at liquid outlet 122 is connected to metal flow passage
12 outside of pipe, one end of mandrel ontology 11 are abutted with the first shoulder block 16, and the other end is abutted with the second shoulder block 17.In the present embodiment,
Axial restraint, 16 He of the first shoulder block are carried out to mandrel ontology 11 and metal flow passage pipe 12 by the first shoulder block 16 and the second shoulder block 17
Mandrel ontology 11 is blocked at the both ends that second shoulder block 17 is located at mandrel ontology 11, falls off in an axial direction to avoid mandrel ontology 11,
Further increase the connective stability of mandrel ontology 11 and metal flow passage pipe 12.
In one embodiment, logging while drilling apparatus mandrel 10 further includes the first conducting element 18 and the second conducting element 19, and first
Conducting element 18 is connect with the first shoulder block 16, and the second conducting element 19 is connect with the second shoulder block 17.In the present embodiment, in metal flow passage pipe
12 both ends connect the first conducting element 18 and the second conducting element 19, to make metal flow passage pipe 12 pass through the first conducting element 18 and the
Two conducting elements 19 are connected to the shell 20 of connector for logging while drilling, and slurry channel is integrally formed, it is determined that the type of flow of mud.
Further, in one embodiment, logging while drilling apparatus mandrel 10 further includes sealing element, and sealing element is arranged first
Between conducting element 18 and the first shoulder block 16, and, between the second conducting element 19 and the second shoulder block 17.In the present embodiment, first
Between conducting element 18 and the first shoulder block 16, and, the second conducting element 19 is led with the second shoulder block 17 setting sealing element with improving first
The leakproofness that stream part 18 and the second conducting element 19 are connect with metal diversion pipe 12.Further, logging while drilling apparatus mandrel 10 with it is outer
When shell 20 assembles, it can also be arranged between the first conducting element 18 and shell 20 and between the second conducting element 19 and shell 20
Sealing element, to further increase sealing performance.Specifically, in one embodiment, sealing element uses rubber seal.
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Several embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of logging while drilling apparatus mandrel, which is characterized in that including：Mandrel ontology (11) has inlet (121) and liquid outlet
(122) metal flow passage pipe (12) and clamping element (13) offer storage tank, the metal flow passage on the mandrel ontology (11)
It manages (12) to be arranged in the storage tank, and the inlet (121) and the liquid outlet (122) are arranged at the mandrel sheet
On the outside of body (11), the clamping element (13) connect with the mandrel ontology (11) and the metal flow passage pipe (12) respectively, described
Clamping element (13) makes the mandrel ontology (11) clamp the metal flow passage pipe (12).
2. logging while drilling apparatus mandrel according to claim 1, which is characterized in that close to institute on the metal flow passage pipe (12)
The one end for stating inlet (121) and/or the liquid outlet (122) is provided with bending segment (123).
3. logging while drilling apparatus mandrel according to claim 2, which is characterized in that the bending angle of the bending segment (123)
Less than or equal to 10 °.
4. logging while drilling apparatus mandrel according to claim 2, which is characterized in that further include ultrasonic sensor (14), institute
It states ultrasonic sensor (14) to connect with the metal flow passage pipe (12), and the ultrasonic sensor (14) is located at the bending
The both ends of section (123).
5. logging while drilling apparatus mandrel according to claim 1, which is characterized in that the clamping element (13) is arc pressure ring,
The inner surface of the arc pressure ring is abutted in the opening of the storage tank with the metal flow passage pipe (12), and the arc pressure
The end of ring is connect with the mandrel ontology (11).
6. logging while drilling apparatus mandrel according to claim 5, which is characterized in that further include fastener, the arc pressure ring
End set have fixed part, mounting hole is offered on the fixed part, offers mounting hole on the mandrel ontology (11), institute
Fastener is stated to be fastenedly connected with the mandrel ontology (11) in the mounting hole insertion mounting hole.
7. logging while drilling apparatus mandrel according to claim 5, which is characterized in that further include shock ring (15), the damping
Ring (15) set is connected on the outside of the arc pressure ring and the mandrel ontology (11).
8. logging while drilling apparatus mandrel according to claim 1, which is characterized in that further include：First shoulder block (16) and second
Shoulder block (17), first shoulder block (16) covers at the inlet (121) to be connected on the outside of the metal flow passage pipe (12), described
Second shoulder block (17) covers at the liquid outlet (122) to be connected on the outside of the metal flow passage pipe (12), the mandrel ontology (11)
One end abutted with first shoulder block (16), the other end is abutted with second shoulder block (17).
9. logging while drilling apparatus mandrel according to claim 8, which is characterized in that further include the first conducting element (18) and second
Conducting element (19), first conducting element (18) connect with first shoulder block (16), second conducting element (19) with it is described
Second shoulder block (17) connects.
10. logging while drilling apparatus mandrel according to claim 9, which is characterized in that further include sealing element, the sealing element is set
It sets between first conducting element (18) and first shoulder block (16), and, second conducting element (19) and described the
Between two shoulder blocks (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810374126.3A CN108343427A (en) | 2018-04-24 | 2018-04-24 | Logging while drilling apparatus mandrel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810374126.3A CN108343427A (en) | 2018-04-24 | 2018-04-24 | Logging while drilling apparatus mandrel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108343427A true CN108343427A (en) | 2018-07-31 |
Family
ID=62956156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810374126.3A Pending CN108343427A (en) | 2018-04-24 | 2018-04-24 | Logging while drilling apparatus mandrel |
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| CN (1) | CN108343427A (en) |
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