CN102808583A - Hydrological exploration drilling well pipe, coal mining pipe descending method and hydrological exploration method - Google Patents
Hydrological exploration drilling well pipe, coal mining pipe descending method and hydrological exploration method Download PDFInfo
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- CN102808583A CN102808583A CN2012102576312A CN201210257631A CN102808583A CN 102808583 A CN102808583 A CN 102808583A CN 2012102576312 A CN2012102576312 A CN 2012102576312A CN 201210257631 A CN201210257631 A CN 201210257631A CN 102808583 A CN102808583 A CN 102808583A
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- 238000000034 method Methods 0.000 title claims abstract description 42
- 238000005065 mining Methods 0.000 title claims abstract description 31
- 239000003245 coal Substances 0.000 title claims abstract description 26
- 238000005553 drilling Methods 0.000 title abstract 6
- 239000002689 soil Substances 0.000 claims abstract description 34
- 230000000295 complement effect Effects 0.000 claims description 7
- GNFTZDOKVXKIBK-UHFFFAOYSA-N 3-(2-methoxyethoxy)benzohydrazide Chemical compound COCCOC1=CC=CC(C(=O)NN)=C1 GNFTZDOKVXKIBK-UHFFFAOYSA-N 0.000 claims description 3
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 claims description 3
- 241001074085 Scophthalmus aquosus Species 0.000 claims description 2
- 238000011835 investigation Methods 0.000 description 5
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
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Abstract
The invention discloses a hydrological exploration drilling well pipe, a coal mining pipe descending method and a hydrological exploration method. The hydrological exploration drilling well pipe comprises a top pipe, a middle pipe and a bottom pipe, wherein the upper end of the top pipe is exposed from the ground, and the lower end of the top pipe is buried in an exploration hole; first external threads are formed at the lower end of the top pipe; the middle pipe is arranged below the top pipe; first internal threads which are matched with the first external threads are formed at the upper end of the middle pipe; second external threads are formed at the lower end of the middle pipe; the bottom pipe is arranged below the middle pipe; second internal threads are formed at the upper end of the bottom pipe; and the bottom pipe can be in screwed connection with the middle pipe. By adoption of the hydrological exploration drilling well pipe, the coal mining pipe descending method and the hydrological exploration method, the bottom pipe, the middle pipe and the top pipe are sequentially arranged in the exploration hole and fixed in a screwed connection mode. During soil layer stripping after exploration is finished, the exploration hole cannot be buried by sands due to supporting of the well pipe. Compared with the prior art, the hydrological exploration drilling well pipe has the advantages that repeated drilling operation is avoided, and working efficiency is improved.
Description
Technical field
The present invention relates to the hydrogeologic prospecting technology, relate in particular to tube side method and hydrology exploitation method under a kind of hydrology exploratory bore-hole well casing, the coal mining.
Background technology
In the early stage of coal mining, need carry out hydrology investigation and prospecting to underground aquifer.For strip coal mining, hydrology investigation and prospecting is to bore hydrology exploratory hole on the ground, observes the geology stripping operation that after hydrology exploration, can carry out coal mining through exploratory hole.In the progradation of stripping operation, exploratory hole can be buried gradually, and the hydrology that the exploitation that continues need continue exploration so just must be carried out bore operation again, and production efficiency is had very big influence.
Summary of the invention
The invention provides tube side method and hydrology exploitation method under a kind of hydrology exploratory bore-hole well casing, the coal mining, can be buried with exploratory hole in the solution prior art and cause the problem of boring repeatedly, practice thrift man-hour, increase work efficiency.
The invention provides a kind of hydrology exploratory bore-hole well casing, be used for being arranged on hydrology exploratory hole, wherein, comprising:
Head tube, expose more than ground the upper end of said head tube, and the lower end of said head tube is embedded in the said exploratory hole, and the lower end of said head tube is provided with first external screw thread;
Intervalve; Be arranged on the below of said head tube; The upper end of said intervalve is provided with first internal thread that is complementary with said first external screw thread; Through the threaded engagement of said first external screw thread and first internal thread, said intervalve is connected with said head tube, and the lower end of said intervalve is provided with second external screw thread;
Lower tube is arranged on the below of said intervalve, and the upper end of said lower tube is provided with second internal thread that is complementary with said second external screw thread, and through the threaded engagement of said second external screw thread and second internal thread, said lower tube is connected with said intervalve.
Aforesaid hydrology exploratory bore-hole well casing, wherein, preferably: the quantity of said intervalve is many, many intervalves are spirally connected fixing from beginning to end; The intervalve of the top and said head tube bolt are fixed, and the intervalve and the lower tube bolt of below are fixed.
Aforesaid hydrology exploratory bore-hole well casing wherein, preferably, also comprises:
The pipe lid, said pipe lid is used for after pulling down said head tube the open upper end of the said intervalve of shutoff; And be used for after pulling down said head tube and said intervalve the open upper end of the said lower tube of shutoff.
Aforesaid hydrology exploratory bore-hole well casing, wherein, preferably: said pipe lid comprises:
Lid, said lid is used to block the open upper end of said intervalve or said lower tube;
Plunger is fixedly connected with said lid, is used to fill in the open upper end of said intervalve or said lower tube.
Aforesaid hydrology exploratory bore-hole well casing, wherein, preferably: said lid is cylindric, the bottom surface diameter of said lid is greater than the external diameter of said intervalve and said lower tube; Said plunger is cylindric, and the external diameter of said plunger is less than the internal diameter of said intervalve and said lower tube.
Aforesaid hydrology exploratory bore-hole well casing, wherein, preferably: said lid upper surface is set with covers hook.
Aforesaid hydrology exploratory bore-hole well casing, wherein, preferably: fixedly install on the inwall of said intervalve and/or said lower tube and be useful on the support member that supports said plunger.
Aforesaid hydrology exploratory bore-hole well casing, wherein, preferably: said support member is the tripod that is welded on the inwall of said intervalve and/or said lower tube.
Aforesaid hydrology exploratory bore-hole well casing wherein, preferably, also comprises: be set in the seal washer on the said plunger outer wall.
The present invention also provides tube side method under a kind of coal mining, wherein, adopts hydrology exploratory bore-hole well casing provided by the invention, and this method comprises the steps:
Treating mining area's brill exploratory hole;
Lower tube is placed on the exploratory hole bottom;
Intervalve is placed on the lower tube upper end, and intervalve is fixedly connected through screw thread with lower tube;
Head tube is placed on the intervalve upper end, and head tube is fixedly connected through screw thread with intervalve, the upper end of head tube is exposed more than ground.
Tube side method under the aforesaid pit mining wherein, preferably, after lower tube being placed on the exploratory hole bottom, also comprises:
Around the outer wall of lower tube, intervalve and head tube, fill gravel.
The present invention provides a kind of coal mining hydrology exploitation method again, wherein, adopts hydrology exploratory bore-hole well casing provided by the invention, and this method comprises the steps:
Step a, carry out the hydrogeologic prospecting first time;
Step b, dismounting head tube are peeled off the soil layer corresponding with the head tube height;
Step c, carry out the hydrogeologic prospecting second time;
Steps d, dismounting intervalve are peeled off and the corresponding soil layer of intervalve height of dismantling;
Step e, carry out hydrogeologic prospecting for the third time;
Step f, repeating step d are to step e, to carry out repeatedly hydrogeologic prospecting;
Step g, dismounting lower tube are peeled off and the corresponding soil layer of lower tube height of dismantling.
Aforesaid coal mining hydrology exploitation method wherein, preferably, after removing head tube, also comprises:
The pipe cap seal is got lodged in the open upper end of intervalve.
Aforesaid coal mining hydrology exploitation method wherein, preferably, after removing intervalve, also comprises:
The pipe cap seal is got lodged in the open upper end of next intervalve or lower tube.
Tube side method and hydrology exploitation method are through setting gradually lower tube, intervalve and head tube under hydrology exploratory bore-hole well casing provided by the invention, the coal mining in exploratory hole, and it is fixing that the three is threaded., exploration carries out soil layer after finishing when peeling off, because the support of well casing has prevented sandy soil burying exploratory hole.Compared with prior art, avoid the operation of boring repeatedly, improved operating efficiency.
Description of drawings
The hydrology exploratory bore-hole well casing STRUCTURE DECOMPOSITION sketch map that Fig. 1 provides for the embodiment of the invention;
Pipe lid structural representation in the hydrology exploratory bore-hole well casing that Fig. 2 provides for the embodiment of the invention;
The pipe lid in the hydrology exploratory bore-hole well casing that Fig. 3 provides for the embodiment of the invention and the decomposing schematic representation that cooperates of intervalve;
Tube side method schematic flow sheet under the coal mining that Fig. 4 provides for the embodiment of the invention;
The coal mining hydrology exploitation method schematic flow sheet that Fig. 5 provides for the embodiment of the invention.
The specific embodiment
The hydrology exploratory bore-hole well casing STRUCTURE DECOMPOSITION sketch map that Fig. 1 provides for the embodiment of the invention; The embodiment of the invention provides a kind of hydrology exploratory bore-hole well casing; Be used for being arranged on hydrology exploratory hole, wherein this hydrology exploratory bore-hole well casing comprises head tube 1, intervalve 2 and lower tube 3, and expose more than ground the upper end of head tube 1; The lower end is embedded in the exploratory hole, and the lower end is provided with first external screw thread 4; Intervalve 2 is arranged on the below of head tube 1; The upper end of intervalve 2 is provided with first internal thread 5 that first external screw thread 4 is complementary; Through the threaded engagement of first external screw thread 4 and first internal thread 5, intervalve is connected with head tube, and the lower end of intervalve is provided with second external screw thread 8; Lower tube 3 is arranged on the below of intervalve 2, and the upper end of lower tube 3 is provided with second internal thread 9 that is complementary with second external screw thread 8.
When holing down pipe, earlier lower tube 3 is placed on the exploratory hole bottom, successively intervalve 2 is connected with head tube 1 through internal and external screw thread again, after well casing all connects, promptly can carry out hydrogeologic prospecting.Investigation and prospecting need be carried out peeling off of soil layer after finishing, and in stripping process, because the existence of boring well casing, exploratory hole can not buried by sandy soil, can carry out at any time so the hydrology is explored, needn't redrilling.Along with stripping operation to carrying out, all peeled off with the soil layer of head tube 1 respective heights, utilize this moment intervalve 2 and lower tube 3 to carry out hydrology exploration.In like manner, again intervalve 2 is also removed, continued to peel off soil layer.
In practical application, the quantity of intervalve 2 can be set to a plurality of, and many intervalve 2 head and the tail are spirally connected fixing; The intervalve 2 of the top is fixed with head tube 1 bolt, and the intervalve 2 of below is fixed with lower tube 3 bolts, waits to confirm the concrete number of intervalve 2 according to the workload of peeling off soil layer and the degree of depth of boring exploratory hole.Along with the progressively dismounting of intervalve 2 and lower tube 3, finally can accomplish peeling off of soil layer, and in the process of peeling off, exploratory hole can not be buried under the support of boring well casing, can explore at any time.Compared with prior art, need not hole repeatedly, improve operating efficiency.
Pipe lid structural representation in the hydrology exploratory bore-hole well casing that Fig. 2 provides for the embodiment of the invention, preferably, this hydrology exploratory bore-hole well casing also is provided with pipe and covers 6, is used for after pulling down head tube 1 open upper end of shutoff intervalve 2; And be used for after pulling down head tube 1 and intervalve 2 open upper end of shutoff lower tube 3.Pipe cover 6 be provided with and can carrying out soil layer when peeling off, and prevents that sandy soil from falling in the well casing, causes the obstruction of intervalve 2 and lower tube 3, hinders and explores.
Pipe cover 6 structure can have various ways, and a kind of embodiment is, pipe covers 6 and comprises lid 61 and plunger 62, and the shape of lid 61 is not limit, and can be cylindricly, is used to block the open upper end of intervalve 2 or lower tube 3; The shape of plunger 62 also can be cylindric, and to be complementary with well casing, plunger 62 is fixedly connected with lid 61, is used to fill in the open upper end of intervalve 2 or lower tube 3.
Further, be set with in lid 61 upper surfaces and cover hook 63, as shown in Figure 2.The pipe lid in the hydrology exploratory bore-hole well casing that Fig. 3 provides for the embodiment of the invention and the decomposing schematic representation that cooperates of intervalve, as shown in Figure 3, be example with the intervalve, along with the carrying out of stripping operation, need get lower tube cap 6 and remove intervalve 2.When getting lower tube cap 6, catch on through plant equipment and to cover hook 63, will manage earlier and cover 6 and sling and remove again.
Further, the external diameter of the bottom surface diameter of lid 61 greater than intervalve 2 and lower tube 3 is set, makes it can overlap open upper end place in intervalve 2 or lower tube 3; The internal diameter of the external diameter of plunger 62 less than intervalve 2 and lower tube 3 is set simultaneously, plunger 62 can be extend in the open upper end of well casing.
Please with reference to Fig. 1; On the basis of the foregoing description; Fixedly install the support member 7 that is useful on support column plug 62 on the inwall of intervalve 2 and/or lower tube 3,, prevent that pipe from covering 6 and dropping in well casing owing to the manufacturing dimension error can not ride over the well casing opening part with further stationary pipes lid 6.
Particularly, above-mentioned support member 7 is a tripod, is welded on the inwall of intervalve 2 and/or lower tube 3, and is as shown in Figure 1.
In order to improve the sealing effectiveness that pipe covers 6 pairs of well casing opening parts, further be provided with seal washer, be set on the outer wall of plunger 62.Plunger 62 is extend into after the well casing opening, and seal washer fills up the space between plunger 62 and the well casing, prevents that sandy soil from entering in the well casing.
The hydrology exploratory bore-hole well casing that the embodiment of the invention provides is through setting gradually lower tube, intervalve and head tube in exploratory hole, it is fixing that the three is threaded., exploration carries out soil layer after finishing when peeling off, because the support of well casing has prevented sandy soil burying exploratory hole.Compared with prior art, avoid the operation of boring repeatedly, improved operating efficiency.
Tube side method schematic flow sheet under the coal mining that Fig. 4 provides for the embodiment of the invention; The embodiment of the invention also provides tube side method under a kind of coal mining; Wherein, the hydrology exploratory bore-hole well casing that has adopted any embodiment of the present invention to provide, this method comprises the steps:
Step 410, treating that mining area bores exploratory hole;
Step 420, lower tube is placed on exploratory hole bottom;
Step 430, intervalve is placed on lower tube upper end, and intervalve is fixedly connected through screw thread with lower tube;
Step 440, head tube is placed on intervalve upper end, and head tube is fixedly connected through screw thread with intervalve, the upper end of head tube is exposed more than ground.
Before exploitation work is carried out, at first carry out investigation and prospecting, for avoiding holing repeatedly, in exploratory hole, set gradually lower tube, intervalve and head tube, it is fixing that the three is threaded.When carrying out hydrology when exploration, as long as explore in the hole that utilizes lower tube, intervalve and head tube to be linked to be,, exploration carries out soil layer after finishing when peeling off, the support owing to well casing has prevented sandy soil burying exploratory hole.Compared with prior art, improved operating efficiency.
Preferably, after step 420, this method also comprises:
Step 421, around the outer wall of lower tube, intervalve and head tube, fill gravel.Can the gap between lower tube and the exploratory hole be filled at the outside gravel of filling of well casing, prevent that well casing is unstable, well casing is fixed on the exploratory hole bottom.
If simultaneously exploratory hole also must be filled waterproofing course through a plurality of aquifers between the outer wall of well casing and exploratory hole when boring, prevent that well casing from leaking.
The tube side method is through being provided with lower tube, intervalve and head tube successively under the coal mining that the embodiment of the invention provides in exploratory hole, the three can be carried out the first time hydrology after fixing and explore.Exploration finishes to carry out soil layer when peeling off, and exploratory hole has been avoided the work of boring repeatedly because the effect of well casing can not buried by sandy soil, has practiced thrift man-hour, has improved efficient.
The coal mining hydrology exploitation method schematic flow sheet that Fig. 5 provides for the embodiment of the invention; The embodiment of the invention provides a kind of coal mining hydrology exploitation method again; The hydrology exploratory bore-hole well casing that wherein adopts any embodiment of the present invention to provide, this method comprises the steps:
Step a, carry out the hydrogeologic prospecting first time.
The boring well casing of investigation and prospecting through having fixed utilizes physical prospecting or other existing exploration meanses to carry out.
Step b, dismounting head tube are peeled off the soil layer corresponding with the head tube height.
After hydrogeologic prospecting finishes for the first time, can carry out exploitation work, remove head tube earlier, peel off again and its highly corresponding soil layer.
Step c, carry out the hydrogeologic prospecting second time.
After head tube was removed, soil layer also had been stripped from certain thickness, and can carry out the hydrogeologic prospecting second time this moment if necessary.
Steps d, dismounting intervalve are peeled off and the corresponding soil layer of intervalve height of dismantling.
Similar with the dismounting of head tube, the intervalve of dismantling is earlier peeled off and the corresponding soil layer of intervalve height of dismantling again.
Step e, carry out hydrogeologic prospecting for the third time.
After intervalve is removed, explore if desired, can carry out hydrogeologic prospecting for the third time.
Step f, repeating step d are to step e, to carry out repeatedly hydrogeologic prospecting.
Because it is a plurality of that the quantity of intervalve can have, so repeat the above-mentioned step of peeling off soil layer, tearing intervalve open, carries out hydrogeologic prospecting repeatedly.
Step g, dismounting lower tube are peeled off and the corresponding soil layer of lower tube height of dismantling.
Preferably, after removing head tube, this method also comprises:
The pipe cap seal is got lodged in the open upper end of intervalve.And after removing intervalve, also comprise:
The pipe cap seal is got lodged in the open upper end of next intervalve or lower tube.
Owing to when well casing is installed, the upper end of head tube is exposed on ground, need not to use the stifled head tube of pipe cap seal.But, along with the carrying out of stripping operation, result in blockage in order to prevent that sandy soil from falling in the well casing, can the pipe lid be set in the intervalve open upper end and carry out shutoff.Likewise, after the intervalve of dismantling, also can utilize the open upper end of stifled lower tube of pipe cap seal or next intervalve.
The coal mining hydrology exploitation method that the embodiment of the invention provides is being carried out soil layer when peeling off, and exploratory hole has been avoided the work of boring repeatedly because the effect of well casing can not buried by sandy soil, has practiced thrift man-hour, has improved efficient.
What should explain at last is: above embodiment is only in order to explaining technical scheme of the present invention, but not to its restriction; Although with reference to previous embodiment the present invention has been carried out detailed explanation, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these are revised or replacement, do not make the scope of the essence disengaging various embodiments of the present invention technical scheme of relevant art scheme.
Claims (14)
1. a hydrology exploratory bore-hole well casing is used for being arranged on hydrology exploratory hole, it is characterized in that, this hydrology exploratory bore-hole well casing comprises:
Head tube, expose more than ground the upper end of said head tube, and the lower end of said head tube is embedded in the said exploratory hole, and the lower end of said head tube is provided with first external screw thread;
Intervalve; Be arranged on the below of said head tube; The upper end of said intervalve is provided with first internal thread that is complementary with said first external screw thread; Through the threaded engagement of said first external screw thread and first internal thread, said intervalve is connected with said head tube, and the lower end of said intervalve is provided with second external screw thread;
Lower tube is arranged on the below of said intervalve, and the upper end of said lower tube is provided with second internal thread that is complementary with said second external screw thread, and through the threaded engagement of said second external screw thread and second internal thread, said lower tube is connected with said intervalve.
2. hydrology exploratory bore-hole well casing according to claim 1, it is characterized in that: the quantity of said intervalve is many, many intervalves are spirally connected fixing from beginning to end; The intervalve of the top and said head tube bolt are fixed, and the intervalve and the lower tube bolt of below are fixed.
3. hydrology exploratory bore-hole well casing according to claim 1 and 2 is characterized in that, also comprises:
The pipe lid, said pipe lid is used for after pulling down said head tube the open upper end of the said intervalve of shutoff; And be used for after pulling down said head tube and said intervalve the open upper end of the said lower tube of shutoff.
4. hydrology exploratory bore-hole well casing according to claim 3 is characterized in that: said pipe lid comprises:
Lid, said lid is used to block the open upper end of said intervalve or said lower tube;
Plunger is fixedly connected with said lid, is used to fill in the open upper end of said intervalve or said lower tube.
5. hydrology exploratory bore-hole well casing according to claim 4 is characterized in that: said lid is cylindric, and the bottom surface diameter of said lid is greater than the external diameter of said intervalve and said lower tube; Said plunger is cylindric, and the external diameter of said plunger is less than the internal diameter of said intervalve and said lower tube.
6. according to claim 4 or 5 described hydrology exploratory bore-hole well casings, it is characterized in that: said lid upper surface is set with covers hook.
7. hydrology exploratory bore-hole well casing according to claim 6 is characterized in that: fixedly install on the inwall of said intervalve and/or said lower tube and be useful on the support member that supports said plunger.
8. hydrology exploratory bore-hole well casing according to claim 7 is characterized in that: said support member is the tripod that is welded on the inwall of said intervalve and/or said lower tube.
9. hydrology exploratory bore-hole well casing according to claim 6 is characterized in that, also comprises: be set in the seal washer on the said plunger outer wall.
10. tube side method under the coal mining is characterized in that, adopts the arbitrary described hydrology exploratory bore-hole well casing of claim 1-9, and this method comprises the steps:
Treating mining area's brill exploratory hole;
Lower tube is placed on the exploratory hole bottom;
Intervalve is placed on the lower tube upper end, and intervalve is fixedly connected through screw thread with lower tube;
Head tube is placed on the intervalve upper end, and head tube is fixedly connected through screw thread with intervalve, the upper end of head tube is exposed more than ground.
11. the tube side method is characterized in that under the pit mining according to claim 10, after lower tube being placed on the exploratory hole bottom, also comprises:
Around the outer wall of lower tube, intervalve and head tube, fill gravel.
12. a coal mining hydrology exploitation method is characterized in that, adopts the arbitrary described hydrology exploratory bore-hole well casing of claim 1-9, this method comprises the steps:
Step a, carry out the hydrogeologic prospecting first time;
Step b, dismounting head tube are peeled off the soil layer corresponding with the head tube height;
Step c, carry out the hydrogeologic prospecting second time;
Steps d, dismounting intervalve are peeled off and the corresponding soil layer of intervalve height of dismantling;
Step e, carry out hydrogeologic prospecting for the third time;
Step f, repeating step d are to step e, to carry out repeatedly hydrogeologic prospecting;
Step g, dismounting lower tube are peeled off and the corresponding soil layer of lower tube height of dismantling.
13. coal mining hydrology exploitation method according to claim 12 is characterized in that, after removing head tube, also comprises:
The pipe cap seal is got lodged in the open upper end of intervalve.
14. coal mining hydrology exploitation method according to claim 12 is characterized in that, after removing intervalve, also comprises:
The pipe cap seal is got lodged in the open upper end of next intervalve or lower tube.
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CN110644985A (en) * | 2019-08-25 | 2020-01-03 | 青海中煤地质工程有限责任公司 | Simple water pumping device for hydrogeological exploration and water pumping test method |
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CN107420035A (en) * | 2017-09-01 | 2017-12-01 | 中国矿业大学(北京) | Easily cave in difficult pore-forming stratigraphical drilling construction method |
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