EP3563036A1 - Drilling device - Google Patents
Drilling deviceInfo
- Publication number
- EP3563036A1 EP3563036A1 EP17829595.2A EP17829595A EP3563036A1 EP 3563036 A1 EP3563036 A1 EP 3563036A1 EP 17829595 A EP17829595 A EP 17829595A EP 3563036 A1 EP3563036 A1 EP 3563036A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- drilling device
- fluid
- drill head
- abrasive
- mixing chamber
- 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.)
- Withdrawn
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 76
- 239000012530 fluid Substances 0.000 claims abstract description 113
- 239000003082 abrasive agent Substances 0.000 claims abstract description 61
- 239000011435 rock Substances 0.000 claims abstract description 24
- 238000011010 flushing procedure Methods 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 5
- 238000011161 development Methods 0.000 claims description 4
- 238000005461 lubrication Methods 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 230000000638 stimulation Effects 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 4
- 238000011065 in-situ storage Methods 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 18
- 238000000034 method Methods 0.000 description 14
- 239000000463 material Substances 0.000 description 10
- 230000003068 static effect Effects 0.000 description 9
- 239000000203 mixture Substances 0.000 description 6
- 239000013049 sediment Substances 0.000 description 6
- 239000000314 lubricant Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 230000010349 pulsation Effects 0.000 description 3
- 230000002000 scavenging effect Effects 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- LLJRXVHJOJRCSM-UHFFFAOYSA-N 3-pyridin-4-yl-1H-indole Chemical compound C=1NC2=CC=CC=C2C=1C1=CC=NC=C1 LLJRXVHJOJRCSM-UHFFFAOYSA-N 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000036461 convulsion Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- 235000013980 iron oxide Nutrition 0.000 description 1
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000758 substrate Substances 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/18—Drilling by liquid or gas jets, with or without entrained pellets
-
- 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
- E21B10/00—Drill bits
- E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
-
- 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
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
- E21B23/001—Self-propelling systems or apparatus, e.g. for moving tools within the horizontal portion of a borehole
-
- 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
- E21B10/00—Drill bits
- E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
- E21B10/61—Drill bits characterised by conduits or nozzles for drilling fluids characterised by the nozzle structure
Definitions
- the invention relates to a drilling device for hard rock by means of a fluid, comprising at least one drill head with antechamber and mixing chamber, at least one forward nozzle and at least one rearward nozzle.
- Rinse Fluid Abrasives can be added to increase the rate of drilling progress. This can also be done in the radial jet drilling (RJD) drilling process to improve the process. With the current use of pure water as the cutting and rinsing fluid alone, extremely hard rock layers can not or only with difficulty be drilled through. The addition of abrasives into the rinsing fluid, however, can penetrate harder rocks or rock layers. However, this can be
- US Pat. No. 6,932,285 B1 discloses the principle of supplying abrasives to a mixing chamber which is acted upon with water, the supply line of the
- No. 6,932,285 B1 shows a device as a water jet drilling device, in which water is mixed with abrasives in a mixing chamber and can exit from an outlet nozzle.
- the US 6,263,984 A1 describes the use of a device as a water jet drilling device, are arranged in the backward nozzles from which water can escape with abrasives. Water with abrasives also hits a rotating body, this puts in rotation, the water with the
- a drilling head for a water jet drilling device which has backward jetting nozzles, a mixing chamber and a
- the particles have a very high pulse, which in addition to the attacking fluid forces must be overcome by the magnetic field to force it to another "fluid path.”
- the magnetic fields must the small particles in extremely small openings
- the pierced rock layer can affect the acting magnetic field as unfavorably as ambient temperatures of up to 200 ° C as they exist in geothermal reservoirs Technique is that when promoting a mixture of abrasives and flushing fluid to the drill head, it increases
- the drill head can be damaged by the escape of abrasives on the optional side nozzles and the leads that are not based on plastics, all or part of the drilling device.
- the object of the invention is to provide a fluid-based drilling device for hard rocks and / or rock layers, which on the one hand provides protection of the
- Drilling head and the Bohrzu Appendix of greater damage and increased wear guaranteed and / or fluid-based holes using a
- the RJD drilling method can produce thin, long holes underground from a main bore.
- Abrasive materials can be passed over an abrasive-containing feed line in a mixing chamber in the drill head, wherein a mixing of
- Abrasives and an abrasive-free fluid in the mixing chamber escapes the offset with the abrasive fluid from a forward nozzle and allows a drilling operation, at least one
- the drilling rig and drilling method can be seen as an environmentally friendly alternative to "fraying.”
- RJD drilling makes it possible to drill long holes in the hard rock instead of hydraulic cracking
- the drilling device and the method is also suitable as an independent
- Drilling method for coiled tubing applications as well as for bringing small single holes into the formation from an existing hole, also using CT drilling.
- abrasives By adding abrasives into the fluid in the mixing chamber to the at least one forward nozzle extremely hard rocks and / or rock strata can be pierced or cut and deposits behind it can be developed.
- abrasives disperse solids such as metal salts such as iron oxides, silicates such as silica or other ionic, amorphous or metallic solids are used according to the invention, which can be externally supplied to the drilling device via a supply line.
- the supply of the abrasives in the drill head according to the invention takes place via an abrasive-containing feed line into a mixing chamber. In this mixing chamber, the abrasives are mixed with an abrasive-free fluid.
- Abrasive material passes through an abrasive-free supply line into the drill head in the antechamber and is fed via leads and / or focusing nozzles in the mixing chamber and added only in a mixing chamber with abrasives.
- the abrasives are generated only in the drilling device by
- metal strips or other strand-like solids are passed over the abrasive material-containing feed line into the drill head and there in abrasives be crushed there or the disperse abrasives are generated in situ, for example by rotating removal of the metal strip or the
- the pre-mixing chamber and the invention are spatially separated from each other.
- one or more rear-facing nozzles are arranged, by means of which the fluid can be introduced without abrasives into the borehole and / or used as a propulsion medium and / or lubricant for the drill.
- the number of backward nozzles depends on the particular structure of the drill head and the purpose of the drilling device.
- flushing outlets can also be arranged in the region of the drill head in order to flush removed drill rock out of the borehole and one
- the spatial separation of the pre-mixing chamber and in an advantageous embodiment also provide that the mixing chamber is arranged at the drill head tip and open in the direction of the rock or sediment or material to be removed, i. that the drill head is designed with the open mixing chamber. Accordingly, the pre-mixing chamber does not necessarily have to be configured as a closed unit within the drill head, and the tip of the drill head can be directly, i. with direct contact with the
- Drilling environment have an opening as an open mixing chamber, wherein the abrasive-free fluid acted forward nozzles the
- the abrasive-free fluid can be directed into the drill head via one or more focussing nozzles and from at least one
- the forward nozzle in the open mixing chamber.
- the forward nozzle can also be configured as a focusing nozzle.
- Abrasive-containing fluid is the via an internal or external supply line
- the abrasive fluid containing the abrasive material-containing fluid can subsequently escape from the open mixing chamber in the direction of the ablated rock, sediment or material from the opening of the open mixing chamber.
- the outer lateral boundaries of the tip of the drill head extend in
- Direction of the opening of the open mixing chamber conical, with conical shape means that the lateral boundaries of the open mixing chamber at an angle in a range of 10 ° to 45 ° relative to the longitudinal center axis of
- Drill have.
- the conical course of the side surfaces of the open mixing chamber thus allows focusing of the abrasivstoff ambiencen fluid on the ablated rock, sediment or material and thus ensures better propulsion of the drilling device during the drilling process.
- abrasive fluid containing fluid from the well to lead through an external supply line into the open mixing chamber, such an external supply cumulatively or alternatively to an existing external supply line for abrasive fluid containing be present on the drilling device can.
- the fluid for example, a liquid, especially water, mixed with abrasives to serve as an additive, carried out with the help of the forward nozzles on the drill head a material removal of the substrate and a hole can be made.
- the choice of fluid depends on the particular application and the type of drill bit. According to the invention, it is therefore intended to divide a fluid flow for the backward nozzles and flushing outlets without abrasives and a fluid stream with abrasives for the forward nozzles.
- the fluid includes for the
- composition as for the forward nozzles with the restriction that the fluid for the forward nozzles in the mixing chamber is additionally mixed with abrasives.
- the abrasives are supplied with a fluid of the mixing chamber, in which the abrasives are at least dispersively distributed. It can then take place in the mixing chamber or open mixing chamber to a thorough mixing of the abrasive-fluid with the abrasive material-containing fluid, wherein the composition of the fluids may differ with and without abrasives.
- the supply of abrasives can be made possible by external or internal leads into the drill head.
- the leads extend coaxially to the drill head, which has the advantage that the fluid entry of the rinsing liquid and / or the abrasives is uniform and the propulsion is not hindered by the coaxial arrangement of the leads.
- the leads both inside and / or coaxially in the
- the drilling device according to the invention can have a plurality of backward-pointing and several forward-directed nozzles, as well as a plurality of flushing outlets.
- Drilling is thus an alternative to conventional drilling methods, and unlike hydraulic stimulation, it can be predicted how long the borehole will be and how much the bore-to-reservoir contact area will be. In addition, the introduction of a bore takes only a few minutes. By refraining from breaking up the
- an effective removal of material can be ensured by the fact that in the region of the prechamber at the drill head also backward nozzles and / or scavenging outlets are arranged in order to drill further or deeper at the same power can.
- the drill head on a rotating inner part, which is mounted on an axis on the housing of the drill head. That with the
- Abrasive fluid displaced fluid can exit from the area of the rotating inner part via at least one forward rotating nozzle and / or opening.
- the forward nozzles have an orientation or inclination of less than 90 ° with respect to the bit, the relative inclination angle being dependent on the nature of the bit
- Underground can vary.
- Advantage of the rotating inner part is that a uniform material removal is given to the borehole wall.
- the orientation of the forward nozzles is static. Thus, only selectively removed material.
- the rotation of the entire surface of the borehole wall is processed evenly.
- the drill head comprises in the case of the special embodiment with rotating
- Inner part at least one focusing nozzle on the rotating inner part and at least one hole on the static region (stator) of the drill head for regulating the water supply.
- the drilling device according to the invention comprises in the case of the particular embodiment with a rotating inner part at least one
- Mixing chamber or open mixing chamber at least one prechamber, at least one rearward nozzle and / or flushing outlet, at least one
- Transition pipe for the abrasives and at least one forward nozzle and / or opening is transition pipe for the abrasives and at least one forward nozzle and / or opening.
- the rotating inner part has three and the stator four holes for regulating the rotating inner part
- a pulsation of the fluid flow can take place, wherein the frequency of the pulsation by different
- Rotation speeds of the inner part is made possible.
- the abrasive is forced into the forward nozzle so that when the holes overlap and the focusing nozzle, the fluid pushes the abrasive particles out of the forward nozzles and jerks one another generates pulse-like fluid flow.
- Fluid flow must occur in or just before the drill bit.
- a generation in the pump has the consequence that the pulsating movement by the dynamic properties of a long hydraulic line (fluid inertia and
- Line compressibility is damped and, if necessary, completely compensated to the drill head.
- the backward nozzles and / or Spülauslandais be applied during the rotation of the inner part in the absence of overlap of the bores of the stator and the rotating inner part with abrasive fluid, wherein the fluid on the one hand as a lubricant within the borehole and on the other
- the backward nozzles are according to the invention obliquely to the longitudinal center axis of the drill head, so that by the oblique arrangement of the backward nozzles and / or
- Rinsing outputs a propulsion of the drill head and a removal of removed stone or ground from the borehole is facilitated.
- the fluid such as water or mixtures of water with
- Hydrocarbons as a lubricant between the rotating inner part, the prechamber and the drill head housing.
- the rotation of the inner part can be achieved in that the rotating inner part forms an acute angle in the range of 1 ° to 1 1 ° relative to the housing of the drill head.
- the drill head is subjected to fluid, whereby a rotation of the inner part is induced.
- annular gap between the housing of the drill head and the rotating inner part, which can vary in size and width depending on the intended use of the drilling device.
- a lubrication gap between the rotating inner portion and the static portion of the drill head into which abrasive-free fluid may enter and facilitate sliding of the rotating inner portion along the surface of the static portion of the drill bit.
- the subject invention on the drill head on an external supply line for abrasive-containing fluid, wherein the abrasive material-containing fluid can be removed from the wellbore.
- the external supply line for abrasive-containing fluid wherein the abrasive material-containing fluid can be removed from the wellbore.
- Abrasives from the borehole can parallel or simultaneously to an internal Supply line abrasive fluid containing be present in the subject invention. About a supply of abrasive fluid containing the get out of the hole
- the SMC drilling device finds particular use in the development of geothermal reservoirs, oil / gas deposits,
- FIG. 1 shows a simplified principle of the hard rock drilling apparatus 1 according to the invention in a vertical cross section of the drill head 2
- Drill head 2 extends a supply line 6a for the supply of abrasive-free fluids in the antechamber 8 and a supply line 6b for the supply of abrasive 5 (not shown) in a mixing chamber 3.
- Prechamber 8 and mixing chamber 3 are in
- the abrasive-free fluid exits via a rearward nozzle 7 from the drill head 2 in a borehole.
- the rearwardly directed nozzle 7 is arranged obliquely to the longitudinal central axis of the drill head 2 and allows the use of the abrasive-free fluid as a propulsion medium and / or lubricant for the drilling apparatus 1.
- the abrasive-containing fluid with the abrasive-free fluid enters the mixing chamber 3 as a cutting jet, which can escape from the forwardly directed nozzle 4 from the drill head 2 continuously.
- FIG. 2 shows a drilling device 1 according to the invention with a rotating inner part 9 shown in a vertical cross section.
- the drill head 2 includes the housing of the drill head 2, which comprises a static portion of the housing as a stator 1 1 and a rotating inner part 9. It can be seen the abrasive-free supply line 6a through which a fluid in the pre-chamber 8 of the drill head 2 can enter.
- Outgoing chamber 8 is a backward nozzle 7 obliquely to
- the rotating inner part 9 has a focusing nozzle 14, which in the direction of the
- Prechamber 8 and holes 13 of the static region of the drill head 2 point. This constructive arrangement of the holes 13, transition line 12 and
- Focusing nozzle 14 is shown in sections A-A and B-B.
- the inner part 9 is spaced from the housing of the drill head 2 via an annular gap 10.
- a respective part of the bores 13 of the pre-chamber 8 overlaps with the focusing nozzle 14 of the rotating inner part.
- the rotation of the inner part 9 is generated by the continuous application of abrasive-free fluid at least one existing
- Focusing nozzle 14 which is not congruent with the bore 13 of the static part of the drill head 2 with the abrasive-free fluid, wherein the position of the
- Focusing nozzle 14 forms an acute angle relative to the drill head 2 of the inner part 9
- FIG. 3 shows a structural design of the drilling device 1 with an analogous structure to FIG. 2.
- Abrasive-free fluid is conducted via an abrasive-free feed line 6a to the pre-chamber 8, which is partially located in the rotating inner part 9.
- the backward nozzles 7 are arranged in the rotating inner part 9 on the pre-chamber 8.
- the rotating inner part 9 consists of two parts pressed into one another, wherein a supply of the abrasives 5 (not shown) into the mixing chamber 3, which is arranged in the rotating inner part 9, is made possible via an abrasive-containing feed line 6b.
- Execution is the branch of the abrasive-free fluid on the supply line 6a.
- the Lubrication gaps 15, at which a rotational movement of the rotating inner part 9 to the housing of the drill head 2 occurs relative to each other, is applied with abrasive-free fluid. Since the pressure of the abrasive-free fluid against the
- Abrasive-containing fluid is substantially higher, the lubricating gaps 15 is flowed through by the abrasive-free fluid and prevents penetration of the abrasive 5 (not shown) in the lubricating gaps 15th
- annular gap 10 is constructed so that the projected area of the annular gap 10 is greater than the hydraulically effective area that would cause the rotating inner part 9 to be forced out of the drill head 2.
- the supply of abrasive-free fluid to this annular surface of the annular gap 10 is effected by a conduit 17 in which a
- FIG. 4 shows a variation of FIG. 2 with the abrasive material feed line 6b in the middle of the drilling device 1 through the prechamber 8.
- the bores 13 for generating the pulsation are arranged around this feed line 6b by an overlap as described in FIG.
- the bores 13 for generating the pulsation are arranged around this feed line 6b by an overlap as described in FIG.
- Backward nozzles 7 are arranged in the static part of the drill head 2.
- the central supply allows the supply of a strand-shaped abrasive, which is comminuted by the rotation of the rotating inner part 9 in the mixing chamber 3.
- the mixing chamber 3 is designed as an open mixing chamber 19, that is, it is located at the top of the drill head 2 and is open in the direction of to be acted upon by the abrasive fluid containing rock, sediment or material or has an opening 20.
- Drill 1 has a rotating inner part 9.
- the rotating inner part 9 has a focusing nozzle 14 which points in the direction of the rotating inner part 9 and / or the open mixing chamber 19.
- the drill head 2 includes the
- a abrasive-free fluid is introduced into the prechamber 8 of the drill head 2. From the antechamber 8 outgoing a backward nozzle 7 is oblique to
- abrasive-free fluid Longitudinal axis arranged by means of which abrasive-free fluid can escape into the wellbore.
- the abrasive-free fluid is passed via the forward nozzle, which is designed here as a focusing nozzle 14, into the open mixing chamber 19.
- the active substance-containing fluid in the open mixing chamber 19 is mixed with the abrasive-free fluid, wherein the abrasive-containing fluid added with the abrasive-free fluid can subsequently exit the open 20 from the open mixing chamber 19 in the direction of the rock, sediment or material to be removed ,
- the outer lateral boundaries of the tip of the drill head 2 extend in the direction of the opening 20 of the open
- Figure 6 shows an additional embodiment possibility of the subject invention in a vertical sectional drawing.
- abrasive-containing fluid passes from an abrasive-containing supply line 6b arranged externally to the drill head 2 into the open mixing chamber 19, the abrasive-containing fluid being mixed with abrasives 5 from the borehole (not shown).
- a baffle 18 is arranged on the outside of the drill head 2, which the abrasives 5 in the direction of Lead 6b conducts and ensures that the abrasives 5 out the borehole are continuously and / or constantly mixed with the abrasive-free fluid before they emerge from the opening 20.
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (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)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016125916.0A DE102016125916A1 (en) | 2016-12-30 | 2016-12-30 | drilling |
PCT/DE2017/101106 WO2018121815A1 (en) | 2016-12-30 | 2017-12-27 | Drilling device |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3563036A1 true EP3563036A1 (en) | 2019-11-06 |
Family
ID=60990552
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17829595.2A Withdrawn EP3563036A1 (en) | 2016-12-30 | 2017-12-27 | Drilling device |
Country Status (4)
Country | Link |
---|---|
US (1) | US20190338598A1 (en) |
EP (1) | EP3563036A1 (en) |
DE (1) | DE102016125916A1 (en) |
WO (1) | WO2018121815A1 (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3076568B1 (en) * | 2018-01-05 | 2020-11-27 | New Np | DRILLING UNIT AND ASSOCIATED DRILLING PROCESS |
WO2019226505A1 (en) | 2018-05-21 | 2019-11-28 | Smith International, Inc. | Drill bit for use with intensified fluid pressures |
EP3818242B1 (en) * | 2018-07-07 | 2024-05-29 | Smith International, Inc. | Fixed cutter drill bit with high fluid pressures |
GB2571631B (en) * | 2018-09-27 | 2020-04-22 | Arnautov Maksim | A subterranean excavation machine |
CN110748300B (en) * | 2019-11-19 | 2020-09-25 | 中国石油大学(华东) | Drill bit with combined action of induced load and abrasive jet and drilling method |
GB2590377A (en) * | 2019-12-12 | 2021-06-30 | Arnautov Max | A subterranean excavation machine |
US11913286B2 (en) | 2021-06-08 | 2024-02-27 | Baker Hughes Oilfield Operations Llc | Earth-boring tools with through-the-blade fluid ports, and related methods |
CN118223790B (en) * | 2024-05-23 | 2024-07-30 | 山东角洲石油助剂有限公司 | Large-aperture safe petroleum drilling and production impactor |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4555872A (en) * | 1982-06-11 | 1985-12-03 | Fluidyne Corporation | High velocity particulate containing fluid jet process |
US4515227A (en) * | 1983-04-27 | 1985-05-07 | Christensen, Inc. | Nozzle placement in a diamond rotating bit including a pilot bit |
US4534427A (en) * | 1983-07-25 | 1985-08-13 | Wang Fun Den | Abrasive containing fluid jet drilling apparatus and process |
US6263984B1 (en) | 1999-02-18 | 2001-07-24 | William G. Buckman, Sr. | Method and apparatus for jet drilling drainholes from wells |
US6530439B2 (en) * | 2000-04-06 | 2003-03-11 | Henry B. Mazorow | Flexible hose with thrusters for horizontal well drilling |
US6932285B1 (en) | 2000-06-16 | 2005-08-23 | Omax Corporation | Orifice body with mixing chamber for abrasive water jet cutting |
EP2142747B1 (en) * | 2007-04-03 | 2012-04-18 | Shell Internationale Research Maatschappij B.V. | Method and assembly for abrasive jet drilling |
CN104564065A (en) * | 2013-10-11 | 2015-04-29 | 朱清德 | Novel rotating abrasive water jet cutting tooth |
CN103835653B (en) * | 2014-03-25 | 2016-03-02 | 中国石油大学(北京) | Self-advancing type landwaste abrasive material direct rotary mixing jet drill bit |
CN204060514U (en) * | 2014-04-22 | 2014-12-31 | 中煤科工集团重庆研究院有限公司 | High-pressure water jet drilling and expanding device for coal mine through-layer drilling |
CN104033106B (en) | 2014-06-17 | 2016-02-24 | 中国石油大学(华东) | Radial sidetracking rotates self-advancing type multiple jet drill bit |
CN106246110A (en) * | 2016-10-24 | 2016-12-21 | 中国石油大学(北京) | Runner staggered form center churning underbalance pulse drill bit |
-
2016
- 2016-12-30 DE DE102016125916.0A patent/DE102016125916A1/en active Pending
-
2017
- 2017-12-27 EP EP17829595.2A patent/EP3563036A1/en not_active Withdrawn
- 2017-12-27 WO PCT/DE2017/101106 patent/WO2018121815A1/en unknown
- 2017-12-27 US US16/475,240 patent/US20190338598A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
WO2018121815A1 (en) | 2018-07-05 |
US20190338598A1 (en) | 2019-11-07 |
DE102016125916A1 (en) | 2018-07-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2018121815A1 (en) | Drilling device | |
DE2814165C2 (en) | High pressure water nozzle | |
DE69704024T2 (en) | DEVICE FOR ROTATING AND IMPACT DRILLING AND METHOD THEREFOR | |
DE2306397A1 (en) | METHOD AND DEVICE FOR MOUNTAIN MILL ROTARY OR ROTARY DRILLING | |
DE3641521A1 (en) | DEVICE AND METHOD FOR PENETRATING A DRILL HOLE IN A DRILLED HOLE WITH A LINING | |
EP2562310A1 (en) | Submarine drilling assembly and method for producing a borehole in a sea floor | |
DE60216793T2 (en) | LIQUID SEAL FOR WET ANCHOR | |
EP3107689B1 (en) | Nozzle head | |
DE3738420C2 (en) | ||
DE2641453A1 (en) | METHOD AND DEVICE FOR BREAKING HARD MATERIAL, E.G. ROCK | |
DE102012004762A1 (en) | Device for expanding bore hole up to large diameter, has delivery line extending from region of cutting wheel inside machine pipe, and outlet located in rear portion of machine pipe, where support plate is connected with machine pipe | |
DE2323558A1 (en) | LIQUID JET CUTTER | |
DE2343080A1 (en) | DRILLING METHOD AND DEVICE FOR ITS IMPLEMENTATION | |
DE102014009630A1 (en) | Method and device for creating a borehole | |
DE102009036325A1 (en) | Mounting device for a geothermal probe | |
EP1002932A2 (en) | Process and device for trenchless replacement of conduits | |
DE19946587A1 (en) | Device for directional drilling has housing at boring head which has mounting for axially movable piston and drive for generation of blows on boring head | |
DE3012482A1 (en) | Soft ground borehole drilling appliance - has forward facing compressed liq. nozzle head, and drive nozzles facing opposite way | |
DE102009036324A1 (en) | Geothermal probe mounting device | |
DE102020205764A1 (en) | Drilling turbine and method of directional drilling | |
EP3631149B1 (en) | Abrasive suspension eroding system | |
DE2226367C3 (en) | Crushing device for solids | |
DE19523769C1 (en) | Device and method for laying cables in a trench-like arrangement | |
DE102007008373A1 (en) | Device for producing deep bores in earthy, pebbly or rocky subsoil with aid of boring system, has separate drive on bore-head, power supply, flexible flushing and supply line | |
DE10308330B4 (en) | injection device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: UNKNOWN |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
17P | Request for examination filed |
Effective date: 20190711 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
AX | Request for extension of the european patent |
Extension state: BA ME |
|
DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) | ||
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |
|
17Q | First examination report despatched |
Effective date: 20200610 |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V. |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |
|
RAP3 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V. |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20220701 |