CN216110695U - Cabled light in-situ test system while drilling - Google Patents
Cabled light in-situ test system while drilling Download PDFInfo
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- CN216110695U CN216110695U CN202121738932.8U CN202121738932U CN216110695U CN 216110695 U CN216110695 U CN 216110695U CN 202121738932 U CN202121738932 U CN 202121738932U CN 216110695 U CN216110695 U CN 216110695U
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- 238000012360 testing method Methods 0.000 title claims abstract description 148
- 238000011065 in-situ storage Methods 0.000 title claims abstract description 116
- 238000005553 drilling Methods 0.000 title claims abstract description 65
- 239000003638 chemical reducing agent Substances 0.000 claims description 36
- 238000007789 sealing Methods 0.000 claims description 23
- 238000003860 storage Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 230000003068 static effect Effects 0.000 description 12
- 210000000078 claw Anatomy 0.000 description 9
- 239000000523 sample Substances 0.000 description 7
- 238000010276 construction Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012625 in-situ measurement Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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- 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
- E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
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- Geophysics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The utility model relates to a light cabled in-situ test system while drilling, which comprises: a drilling apparatus having an active drill rod; a removably replaceable joint for connecting the kelly to the drill pipe; testing the assembly in situ; the drill pipe is connected with the reducing joint, and the inner part of the drill pipe can accommodate and support the in-situ test assembly; wherein the active drill rod of the drilling apparatus provides a test pressure for the in situ test assembly. The drill pipe capable of accommodating the in-situ test assembly provides support for the in-situ test assembly, and provides pressure for the in-situ test assembly through the power of the drill, so that the in-situ test without lifting the drill is realized.
Description
Technical Field
The utility model relates to a light cabled in-situ test system while drilling, belonging to the technical field of in-situ test.
Background
The geotechnical investigation in-situ test technology can provide reliable geotechnical physical mechanical property parameters for underground space engineering design, and deeper geotechnical physical mechanical property parameters need to be obtained by an in-situ test means along with the progress of deep underground space development projects. The traditional in-situ test equipment has limited test depth, is difficult to meet the requirements of deep underground space development and utilization, and urgently needs to be developed and researched for a complete in-situ test equipment device and a construction method suitable for the underground deep space.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a light cabled in-situ test system while drilling, which enlarges the diameter of a drill pipe to accommodate an in-situ test assembly, realizes the alternate implementation of drilling rotary drilling and in-situ test under the condition of not lifting the drill, and increases the application depth through drilling auxiliary in-situ test; the diameter-variable connecting device is arranged to connect the enlarged drill pipe and the drill driving drill rod, and the drill provides static pressure or torsional pressure force for the drill pipe, so that test power is provided on the ground, and the total weight of the test system is reduced.
The utility model adopts the following technical scheme:
a cabled lightweight while-drilling in situ test system, comprising: a drilling apparatus 2 with a kelly 21; a removable and replaceable sub for connecting the kelly 21 to the drill pipe 22; an in-situ test assembly 1; the drill pipe connected with the reducer union can accommodate and support the in-situ test assembly 1; wherein the kelly 21 of the drilling apparatus 2 provides a test pressure for the in situ test assembly.
Preferably, the in situ test assembly 1 is supported inside the drill pipe 22 by a positioning step 2212; further comprising: a cable 14 connected to the in situ test assembly 1 and being threaded from the joint into the interior of the drill pipe 22; a jaw 132 which is coaxial with the in-situ test assembly 1 and is expandable/contractible upward relative to a jaw center axially movable with the in-situ test assembly 1; a jaw furling device 134 for contracting and restoring the jaw 132; a sliding block 136 which is arranged above the clamping jaw 132, is coaxial with the in-situ test assembly 1 and can axially move relative to the in-situ test assembly 1; the positioning groove 2211 is arranged on the inner wall of the drill pipe 22, and the lower end of the positioning groove is used for abutting against the expanded claw 132; when the in-situ test assembly is lowered into position and supported by the positioning step 2212, the cable 14 is slack, and the slider 136 slides downward under the force of gravity to spread the jaws 132 apart and hold the top of the jaws 132 against the positioning step 2211.
Preferably, the coupling 24 includes a closed sub 241 adapted to couple the drill pipe 22 to the kelly 21 during drilling, and an open sub 242 adapted to couple the drill pipe 22 to the kelly 21 during deployment of the in situ test assembly 1.
Further, the opening reducer union 242 and the closed reducer union 241 are both connected to the kelly 21 by screwing.
Furthermore, the inside of the open reducer union 242 has an axial through hole, the side wall has an opening, and the axial through hole is communicated with the opening through a slit; when the opening reducer joint 242 is screwed with the driving drill pipe 21, the cable 14 is separated from the opening from the slit and is placed in the axial through hole; after the connection between the open sub 242 and the kelly 21 is completed, the cable 14 passes through the opening from the slit.
Preferably, the device further comprises a cable receiving device 3 for receiving the cable and a signal receiving device 4 for receiving the signal of the in-situ test assembly 1.
Further, the upper end of the testing device 11 is fixedly connected with the lower end cover 121 of the sealing device 12.
Furthermore, the upper end of the sealing device 12 is fixedly connected with the lower end of a hanger bracket 131 of the hanging and positioning device 13, and the upper end of a mandrel 135 of the hanging and positioning device 13 is fixedly connected with a cable bearing joint 138; the cable support tab 138 is directly fixedly attached to the middle of the cable 14.
Still further, the lower end cap 121 of the sealing device 12 is fixedly connected to the cable joint sealing cylinder 122, and one side of the cable joint sealing cylinder is open to provide a cable joint operation space.
Still further, the hanger bracket 131 of the hanging and positioning device 13 is fixedly connected with the upper end cap 133, the jaws 132 are fixed at the hinge position at the lower part of the hanger bracket 131 through the jaw pin 1321, the jaw furling device 134 enables the jaws to keep a furled state when no external force acts on the jaws, the spindle 135 is inserted through the hanger bracket 131 of the upper end cap 133 and can freely slide up and down, the slider 136 is fixed at the outer side of the spindle 135 and is positioned below the upper end cap 133, the spring 137 is arranged between the slider 136 and the upper end cap 133, and the cable bearing joint 138 is sheathed and fixed at the upper end of the spindle 135; when the home position test assembly 1 is pulled by the cable 14, the spring 137 is in a compressed state, when the home position test assembly 1 is lowered to the positioning step 2212, the slide block 136, the mandrel 135 and the cable bearing joint 138 integrally move downwards under the action of self weight and the resilience of the spring 137, wherein the slide block 136 falls to push the jaws 132 to open, and the opened jaws 132 can be abutted below the positioning groove 2211; when the test is finished and the cable is pulled, the sliding block 136, the mandrel 135 and the cable bearing joint 138 move upwards integrally relative to the hanger bracket 131, the spring 137 is compressed, the sliding block 136 is separated from the claw 132, and the claw 132 is retracted by the claw folding device 134 and separated from the positioning groove 2211.
Further, the lower end of the cable 14 is connected with the testing device 11, passes through the sealing device 12 and the hanging and positioning device 13 from bottom to top, penetrates out of the upper part of the cable bearing joint 138, and is connected to the cable accommodating device 3 and the signal receiving device 4 through the opening reducer union 242.
Further, the drilling equipment 2 comprises a driving drill rod 21, a drill pipe 22, a drilling machine 23 and a joint 24, the internal space of the drill pipe 22 can accommodate the in-situ test assembly 1, the drill pipe 22 comprises a positioning drill pipe 221 and a conventional drill pipe 222, the positioning drill pipe 221 is located at the lowest part, the conventional drill pipe 222 is used for connecting the long drill pipe, a positioning groove 2211 is arranged on the inner wall of the positioning drill pipe 221, a positioning step 2212 is arranged on the inner side wall of the bottom, and a hole expanding device 2213 is arranged on the outer side wall of the bottom.
Further, the closed reducing joint 241 is used for rotary drilling, and the open reducing joint 242 is used for penetrating and connecting a cable to the cable storage device during in-situ testing; the closed reducing joint and the open reducing joint are both provided with a caliper groove in the lateral direction so as to facilitate the screwing and rotating; a notch 2421 is formed in one side of the open reducer union, so that the cable 14 in the hole can be led out to the ground from the notch 2421 of the reducer union, and the traction of the in-situ test assembly 1 or the acquisition of in-situ test data is facilitated.
A cabled light in-situ test construction method while drilling comprises the following steps:
s1, drilling construction: the closed reducing joint 241 is connected with the bottom of the driving drill rod 21 of the drilling machine 23 and the top of the drill pipe 22, and rotationally drills to an in-situ test design elevation;
s2, placing an in-situ test assembly: lifting the drill pipe 22 for a certain distance, and fixing the drill pipe 22 by calipers; disassembling the reducer union 241, removing the drilling machine 23, and placing the in-situ test assembly 1 inside the drill pipe 22; opening the cable accommodating device 3 and lowering the in-situ test assembly 1 to the positioning step 2212; loosening the cable 14, sliding the mandrel slide block 136 downwards under the action of self weight, and pushing the jaws 132 to prop open by the slide block 136 to abut against the positioning groove 2211 on the inner wall of the positioning drill pipe 221;
s3, installing an opening reducing joint: after the in-situ test assembly is completely lowered, the cable 14 penetrates through the notch 2421 on the side wall of the open reducer union 242 and is led out from the opening at the upper end of the union; screwing the open reducer 242 to the drill pipe 22; moving the cable 14 from the upper end opening to the sidewall notch 2421; screwing the open reducer 242 to the kelly 21; loosening the calipers;
s4, in-situ testing: a drill rig provides static pressure or torsional pressure acting force for a drill pipe, so that test power is provided on the ground, and an in-situ test is performed;
s5, disassembling the opening reducing joint: after the in-situ test is finished, the calipers fix the drill pipe 22; the active drill rod 21 of the drilling machine is reversed, and the disassembled active drill rod 21 is connected with the opening reducing joint 242; leading the cable 14 to the opening at the upper end of the open reducer 242, reversing the open reducer 242, and disassembling the open reducer 242 to connect with the drill pipe 22; removing the cable 14 from the connector side notch 2421;
s6, drilling by connecting a long drill pipe: extracting the in-situ test assembly 1, lengthening the conventional drill pipe 222, connecting the reducer union 241 with the top of the drill machine driving drill rod 21 and the conventional drill pipe 222, and loosening the calipers; continuously rotating and drilling;
and S7, repeating the steps 2-6 until the in-situ test while drilling at all depths is completed.
The utility model has the beneficial effects that:
1) the drill pipe capable of accommodating the in-situ test assembly provides support for the in-situ test assembly, and provides pressure for the in-situ test assembly through the power of the drill, so that the in-situ test without lifting the drill is realized;
2) the in-situ testing assembly is arranged in the drill pipe, the positioning groove is formed in the inner wall of the drill pipe, the in-situ testing assembly is provided with the clamping and locking structure, the in-situ testing assembly is locked when being lowered to a testing depth, and the drill pipe provides power support for the in-situ testing assembly; the in-situ testing system realizes the alternative implementation of in-situ testing and drilling of the drilling machine under the condition of not lifting a drilling pipe, and increases the application depth of an in-situ testing means by drilling auxiliary drilling.
Drawings
FIG. 1 is a schematic diagram of a cabled lightweight in situ while drilling testing system according to an embodiment of the utility model.
Fig. 2 is a partially enlarged view of fig. 1.
FIG. 3 is a schematic diagram of a cabled lightweight in situ while drilling test assembly according to an embodiment of the present invention.
Figure 4 is a schematic of the lowering or lifting in-situ test assembly (jaw closed).
Fig. 5 is a partially enlarged view of fig. 4.
FIG. 6 is a schematic view of the in situ test assembly locking.
Fig. 7 is a partially enlarged view of fig. 3.
FIG. 8 is a schematic view of a positioning drill pipe configuration.
FIG. 9 is a schematic view of a closed reducing joint structure of a cabled lightweight while-drilling in-situ testing system according to an embodiment of the present invention.
FIG. 10 is a schematic view of an open reducer joint structure of a cabled lightweight while-drilling in-situ testing system according to an embodiment of the present invention.
FIG. 11 illustrates example steps one: schematic representation of the drilling construction.
FIG. 12 illustrates example step two: schematic diagram of the drop in place test assembly.
FIG. 13 illustrates example step three: schematic view of installing an open reducer union.
FIG. 14 is an example step four: schematic of in situ testing (static cone penetration) was performed.
FIG. 15 is an example step five: and (5) disassembling the open reducing joint.
FIG. 16 is an example step six: schematic diagram of extended drill pipe drilling.
Fig. 17 is an example step seven: and repeating the second step to the sixth step to complete the in-situ test of all the depths.
Fig. 18 is a partially enlarged view of fig. 17.
In the figure: 1-in-situ test assembly; 2-drilling equipment; 3-a cable housing device; 4-a signal receiving means; 11-a test device; 12-a sealing device; 13-hanging a positioning device; 14-a cable; 21-an active drill rod; 22-a drill pipe; 23-a drilling machine; 24-a linker;
111-a test probe; 112-probe extension rod; 121-lower end cap; 122-a cable splice sealing cartridge; 131-a hanger bracket; 132-a pawl; 133-upper end cap; 134-jaw furling device; 135-mandrel; 136-a slider; 137-a spring; 138-cable load-bearing joint; 221-positioning the drill pipe; 222-conventional drill pipe; 241-closed reducer union; 242 — open reducer union.
1321-jaw pin; 1322-jaw upper notch; 2211-positioning groove; 2212-positioning step; 2213-reaming device; 2411, closing reducing joint caliper grooves; 2421-opening the reducer union notch; 2422 opening reducing joint caliper groove.
Detailed Description
The utility model is further described with reference to the following figures and specific examples.
This case embodiment proposes a cabled light-duty in-situ measurement while drilling system, as shown in fig. 1, the apparatus specifically includes: the system comprises an in-situ test assembly 1, drilling equipment 2, a cable storage device 3 and a signal receiving device 4;
as shown in fig. 2, the in-situ test assembly 1 includes a static sounding test device (test device) 11, a sealing device 12, a hanging positioning device 13, and a cable 14 (armored cable), where the test device 11 includes a static sounding probe 111 and a probe extension rod 112, the sealing device 12 includes a lower end cap 121 and a cable joint sealing cylinder 122, and the hanging positioning device 13 includes a hanger bracket 131, a claw 132, an upper end cap 133, a claw gathering device (circumferential spring) 134, a mandrel 135, a slider 136, a spring 137, and a cable bearing joint 138;
the static sounding probe 111 of the testing device 11 is fixedly connected with the lower end cover 121 of the sealing device 12 through a probe connecting rod 112, the upper end of the sealing device 12 is fixedly connected with the lower end of a hanger bracket 131 of the hanging and positioning device 13, and the upper end of a mandrel 135 of the hanging and positioning device 13 is fixedly connected with a cable bearing joint 138;
the lower end cover 121 of the sealing device 12 is fixedly connected with a cable joint sealing cylinder 122, and one side of the cable joint sealing cylinder is opened to provide a cable joint operation space;
referring to fig. 6, the hanger bracket 131 of the hanging and positioning device 13 is fixedly connected to the upper end cap 133, the latch 132 is fixed to the lower hinge ear of the hanger bracket 131, the peripheral spring 134 is disposed in the upper slot 1322 of the latch 132, the spindle 135 is inserted through the upper end cap 133 and the hanger bracket 131 and can freely slide up and down, the slider 136 is fixed to the outer side of the spindle 135 and located below the upper end cap 133, the spring 137 is disposed between the slider 136 and the upper end cap 133, and the cable bearing connector 138 is externally fixed to the upper end of the spindle 135. When the home position test assembly 1 is pulled by the cable 14, the spring 137 is in a compressed state, and when the home position test assembly 1 is lowered to the positioning step 2212, the slider 136, the mandrel 135 and the cable bearing joint 138 integrally move downwards under the action of self weight and the resilience of the spring 137, wherein the slider 136 falls to push the jaws 132 to open, and the opened jaws 132 can be abutted below the positioning groove 2211; when the test is finished and the cable is pulled, the sliding block 136, the mandrel 135 and the cable bearing joint 138 move upwards integrally relative to the hanger bracket 131, the spring 137 is compressed, the sliding block 136 is separated from the claw 132, and the claw 132 is retracted due to the rebounding action of the peripheral spring 134 and separated from the positioning groove 2211.
The lower end of the cable 14 is connected with the testing device 11, penetrates through the sealing device 12 and the hanging positioning device 13 from bottom to top, penetrates out of the upper part of the cable bearing joint 138, and is connected to the cable accommodating device 3 and the signal receiving device 4 through the opening reducer union 242.
The drilling device 2 comprises an active drill rod 21, a drill pipe 22, a drilling machine 23 and a joint 24, wherein the inner space of the drill pipe 22 can accommodate the in-situ test assembly 1, and the drill pipe 22 comprises a positioning drill pipe 221 and a conventional drill pipe 222. The locator drill pipe 221 is lowermost and the conventional drill pipe 222 is used to lengthen the drill pipe. As shown in fig. 4, the positioning groove 2211 is arranged on the inner wall of the positioning drill pipe 221, the positioning step 2212 is arranged on the inner side wall of the bottom, and the reaming device 2213 is arranged on the outer side wall of the bottom.
The joint 24 comprises a closed reducing joint 241 and an open reducing joint 242, and is used for connecting a drill rod and a drill pipe, the closed reducing joint 241 is used for rotary drilling, and the open reducing joint 242 is used for static pressure or torsion pressure of the drill pipe, so that power is provided for testing. Referring to FIG. 5, the closed end adapter 241 is characterized by a closed end adapter design that is a hollow tube, with one end of the adapter connected to the driller's kelly 21 and the other end of the adapter connected to the drill pipe 22. The closed reducing joint is provided with a clamp groove 2411 in the lateral direction to facilitate the screwing rotation. As shown in FIG. 6, the open reducer 242 is characterized by a hollow tube having a reducer joint configuration, one end of which is connected to the kelly 21 of the drill rig. The other end of the reducer union is connected to a drill pipe 22. The open reducer union is provided with a caliper groove 2422 in the side direction to facilitate the screwing rotation. A notch 2421 is formed in one side of the reducer union, so that a cable 14 of the in-situ test assembly in the hole can be led out to the ground from the notch 2421 of the reducer union, and the traction of the in-situ test assembly or the acquisition of in-situ test data is facilitated.
The construction method for the cabled light in-situ test while drilling comprises the following steps:
as shown in fig. 11, step one: and (5) drilling construction. The bottom of the drill main drill rod 21 and the top of the drill pipe 22 are connected through the reducer union 241, and the drill 23 is started to rotate the drill pipe 22 to drill to the designed elevation of the in-situ test.
As shown in fig. 12, step two: and putting the in-situ test assembly. The drill pipe 22 is lifted a certain distance and the calipers fix the drill pipe 22. The reducer 241 is removed and the drill rig kelly 21 is removed and the in situ test assembly 1 is placed inside the drill pipe 22. Opening cable storage device 3 and letting out cable 14, when transferring static sounding test assembly 1 to location step 2212. When the cable 14 is released, the mandrel slide block 136 slides downwards under the action of self weight, and the slide block 136 pushes the jaws 132 to be spread against the positioning grooves 2211 on the inner wall of the positioning drill pipe 221.
As shown in fig. 13, step three: and (5) installing the open reducing joint. After the in-situ test assembly 1 is completely lowered, the cable 14 is led out from the opening at the upper end of the connector by penetrating through the notch 2421 on the side wall of the open reducer union 242 (see figure 9). The split sub 242 is butted up against the drill pipe 22 and the split sub 242 is rotated to thread it into the drill pipe 22. The cable 14 is then moved from the upper end opening to the sidewall notch 2421. The open sub 242 and the drill driver 21 are butted and the drill driver 21 is rotated to be screwed with the open sub 242 (see fig. 9 (c)). The caliper is released.
As in fig. 14, step four: in situ testing (static cone penetration) was performed. The drill 23 presses down the drill pipe 22, and as the claws 132 on the in-situ test (static sounding) assembly 1 abut against the positioning slots 2211 on the inner wall of the positioning drill pipe 221, the drill pipe 22 presses down to drive the static sounding test assembly 1 to press down, and the static sounding probe 111 penetrates into the soil layer for testing. The specific penetration resistance is converted into an electrical signal and transmitted to the signal receiving device 4 through the cable 14.
As in fig. 15, step five: and (5) disassembling the open reducing joint. After the in situ test is complete, the calipers secure the drill pipe 22. The driller's kelly 21 is reversed and the kelly 21 is disconnected from the open sub 242 (fig. 11). The cable 14 is routed to the open end of the open sub 242, the sub 242 is reversed, and the sub 242 is disconnected from the drill pipe 22 (see FIG. 11). The cable is removed from the connector side notch 2421.
As in fig. 16, step six: and (5) drilling by lengthening the drill pipe. And (3) extracting the in-situ test assembly, lengthening the conventional drill pipe 222, connecting the drill machine driving drill rod 21 with the top of the conventional drill pipe 222 through the reducer union 241, and loosening the calipers. And continuing to rotate and drill to the next testing depth.
As in fig. 17, step seven: and repeating the second step to the sixth step to finish all depth in-situ tests.
While the preferred embodiments of the present invention have been described, it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the general inventive concept, and it is intended to cover all such changes and modifications as fall within the true spirit and scope of the utility model.
Claims (13)
1. A cabled light in-situ test system while drilling is characterized in that: the method comprises the following steps:
a drilling apparatus (2) with an active drill rod (21);
a removably replaceable sub for connecting the kelly (21) to the drill pipe (22);
an in situ test assembly (1);
a drill pipe (22) connected with the reducer joint and capable of accommodating and supporting the in-situ test assembly (1) inside;
wherein the kelly (21) of the drilling apparatus (2) provides a test pressure for the in situ test assembly (1).
2. The cabled lightweight while-drilling in-situ test system according to claim 1, wherein:
the drill pipe (22) supports the in-situ test assembly (1) internally through a positioning step (2212);
further comprising:
a cable (14) connected to the in situ test assembly (1) and being threaded from the joint into the interior of the drill pipe (22);
a jaw (132) coaxial with the in-situ test assembly (1) and capable of expanding/contracting upwards relative to a jaw center axially moving by the in-situ test assembly (1);
a jaw furling device (134) for contracting and resetting the jaw (132);
the sliding block (136) is arranged above the clamping jaw (132), is coaxial with the in-situ test assembly and can axially move relative to the in-situ test assembly;
the positioning groove (2211) is arranged on the inner wall of the drill pipe (22), and the lower end of the positioning groove is used for abutting against the expanded clamping jaw (132);
when the in-situ test assembly is lowered to the position and supported by the positioning step (2212), the cable (14) is loosened, the sliding block (136) slides downwards under the action of gravity and props the clamping jaw (132) open, and the upper part of the clamping jaw (132) is propped against the positioning groove (2211).
3. The cabled lightweight while-drilling in-situ test system according to claim 2, wherein: the reducer union (24) comprises a closed reducer union (241) suitable for connecting the drill pipe (22) and the kelly (21) during drilling and an open reducer union (242) suitable for connecting the drill pipe (22) and the kelly (21) during putting the in-situ test assembly (1).
4. The cabled lightweight while-drilling in situ test system according to claim 3, wherein: the opening reducing joint (242) and the closed reducing joint (241) are connected with the driving drill rod (21) in a screwing mode.
5. The cabled lightweight while-drilling in-situ test system according to claim 4, wherein: the opening reducing joint (242) is internally provided with an axial through hole, the side wall of the opening reducing joint is provided with an opening, and the axial through hole is communicated with the opening through a slit; when the opening reducing joint (242) is screwed with the driving drill rod (21), the cable (14) is separated from the slit and is arranged in the axial through hole; when the screwing connection of the opening reducing joint (242) and the driving drill rod (21) is completed, the cable (14) penetrates out of the opening from the slit.
6. The cabled lightweight while-drilling in-situ test system according to claim 2, wherein: the in-situ test device further comprises a cable receiving device (3) for receiving the cable and a signal receiving device (4) for receiving the signal of the in-situ test assembly (1).
7. The cabled lightweight while-drilling in-situ test system according to claim 6, wherein: the upper end of the testing device (11) is fixedly connected with a lower end cover (121) of the sealing device (12).
8. The cabled lightweight while-drilling in situ test system according to claim 7, wherein:
the upper end of the sealing device (12) is fixedly connected with the lower end of a hanger bracket (131) of the hanging and positioning device (13), and the upper end of a mandrel (135) of the hanging and positioning device (13) is fixedly connected with a cable bearing joint (138); the cable bearing joint (138) is directly fixedly connected with the middle part of the cable (14).
9. The cabled lightweight while-drilling in situ test system according to claim 8, wherein: the lower end cover (121) of the sealing device (12) is fixedly connected with a cable joint sealing barrel (122), and one side of the cable joint sealing barrel is provided with an opening to provide a cable joint operation space.
10. The cabled lightweight while-drilling in situ test system according to claim 8, wherein:
the hanger bracket (131) of the hanging and positioning device (13) is fixedly connected with the upper end cover (133), the jaw (132) is fixed at the hinge lug position at the lower part of the hanger bracket (131) through a jaw pin shaft (1321), the jaw furling device (134) enables the jaw to keep a furled state when no external force acts on the jaw, the mandrel (135) is inserted into the hanger bracket (131) through the upper end cover (133) and can freely slide up and down, the sliding block (136) is fixed at the outer side of the mandrel (135) and is positioned below the upper end cover (133), the spring (137) is arranged between the sliding block (136) and the upper end cover (133), and the cable bearing joint (138) is sleeved and fixed at the upper end of the mandrel (135);
when the in-situ test assembly (1) is pulled by the cable (14), the spring (137) is in a compressed state, when the in-situ test assembly (1) is lowered to the positioning step (2212), the slide block (136), the mandrel (135) and the cable bearing joint (138) integrally move downwards under the self-weight and the rebound action of the spring (137), wherein the slide block (136) falls to push the clamping jaws (132) to open, and the opened clamping jaws (132) can be propped against the lower part of the positioning groove (2211);
when the test is finished and the cable is pulled, the sliding block (136), the mandrel (135) and the cable bearing joint (138) integrally move upwards relative to the hanger bracket (131), the spring (137) is compressed, the sliding block (136) is separated from the clamping jaws (132), and the clamping jaws (132) are retracted under the action of the clamping jaw furling device (134) and separated from the positioning grooves (2211).
11. The cabled lightweight while-drilling in situ test system according to claim 10, wherein: the lower end of the cable (14) is connected with the testing device (11), penetrates through the sealing device (12) and the hanging positioning device (13) from bottom to top, penetrates out from the upper part of the cable bearing joint (138), and is connected to the cable containing device (3) and the signal receiving device (4) through the opening reducing joint (242).
12. The cabled lightweight while-drilling in-situ test system according to claim 6, wherein: the drilling equipment (2) comprises a driving drill rod (21), a drill pipe (22), a drilling machine (23) and a joint (24), wherein the in-situ test assembly (1) can be accommodated in the inner space of the drill pipe (22), the drill pipe (22) comprises a positioning drill pipe (221) and a conventional drill pipe (222), the positioning drill pipe (221) is located at the lowest part, the conventional drill pipe (222) is used for lengthening the drill pipe, a positioning groove (2211) is arranged on the inner wall of the positioning drill pipe (221), a positioning step (2212) is arranged on the inner wall of the bottom, and a reaming device (2213) is installed on the outer side wall of the bottom.
13. The cabled lightweight while-drilling in situ test system according to claim 3, wherein:
the closed reducing joint (241) is used for rotary drilling, and the open reducing joint (242) is used for penetrating and connecting a cable to the cable storage device during in-situ testing;
the closed reducing joint and the open reducing joint are both provided with a caliper groove in the lateral direction so as to facilitate the screwing and rotating;
a notch (2421) is formed in one side of the opening reducing joint, so that the cable (14) in the hole can be led out to the ground from the notch (2421), and the traction of the in-situ test assembly (1) or the acquisition of in-situ test data is facilitated.
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| CN113431559A (en) * | 2021-07-22 | 2021-09-24 | 上海勘察设计研究院(集团)有限公司 | Cabled light in-situ test system while drilling and in-situ test construction method |
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| CN115992697B (en) * | 2023-03-24 | 2023-06-13 | 中海油田服务股份有限公司 | Side pressure testing system and side pressure testing method |
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| JP4428599B2 (en) * | 2000-02-28 | 2010-03-10 | 応用地質株式会社 | In-hole static penetration test equipment with boring function |
| CN2622389Y (en) * | 2003-06-03 | 2004-06-30 | 广州海洋地质调查局 | Pipe built-in type hanging positioning mechanism for pyvamid prospecting equipment |
| US7234362B2 (en) * | 2004-11-22 | 2007-06-26 | Applied Research Associates, Inc. | Subsurface material property measurement |
| US20090084540A1 (en) * | 2006-01-23 | 2009-04-02 | Paul Dirk Schilte | Method of expanding a tubular element in a wellbore |
| CN201074320Y (en) * | 2007-08-17 | 2008-06-18 | 马吉敏 | Static sounding apparatus |
| CN100585089C (en) * | 2008-09-05 | 2010-01-27 | 长安大学 | Downhole standard penetrometer |
| US10914164B2 (en) * | 2018-04-13 | 2021-02-09 | China University Of Geosciences (Wuhan) | High-efficiency pre-drilling pressure meter test apparatus and method for deep rock mass |
| CN108867605B (en) * | 2018-07-22 | 2019-06-14 | 长春建业集团股份有限公司 | A kind of vehicle-mounted feeler inspection device |
| CN109187226B (en) * | 2018-09-06 | 2021-05-28 | 中煤科工集团西安研究院有限公司 | Pre-drilling type in-situ rock mass combined measuring device and measuring method |
| CN110593848A (en) * | 2019-10-29 | 2019-12-20 | 中国铁路设计集团有限公司 | In-situ measurement system of engineering geological exploration drilling machine |
| CN216110695U (en) * | 2021-07-22 | 2022-03-22 | 上海勘察设计研究院(集团)有限公司 | Cabled light in-situ test system while drilling |
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