WO2015089669A1 - Buse, matériel tubulaire pour trou de forage et procédé - Google Patents

Buse, matériel tubulaire pour trou de forage et procédé Download PDF

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Publication number
WO2015089669A1
WO2015089669A1 PCT/CA2014/051236 CA2014051236W WO2015089669A1 WO 2015089669 A1 WO2015089669 A1 WO 2015089669A1 CA 2014051236 W CA2014051236 W CA 2014051236W WO 2015089669 A1 WO2015089669 A1 WO 2015089669A1
Authority
WO
WIPO (PCT)
Prior art keywords
nozzle
orifice
tubular
pair
fluid
Prior art date
Application number
PCT/CA2014/051236
Other languages
English (en)
Inventor
Fred Harmat
Glen Edward WOICESHYN
Original Assignee
Absolute Completion Technologies Ltd.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Absolute Completion Technologies Ltd. filed Critical Absolute Completion Technologies Ltd.
Priority to EP14870818.3A priority Critical patent/EP3084117A4/fr
Priority to CA2934369A priority patent/CA2934369A1/fr
Priority to SG11201605045PA priority patent/SG11201605045PA/en
Priority to US15/106,251 priority patent/US20160326843A1/en
Priority to RU2016129473A priority patent/RU2016129473A/ru
Priority to BR112016014480A priority patent/BR112016014480A2/pt
Publication of WO2015089669A1 publication Critical patent/WO2015089669A1/fr

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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
    • E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
    • E21B41/0078—Nozzles used in boreholes
    • 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
    • E21B34/00—Valve arrangements for boreholes or wells
    • E21B34/06—Valve arrangements for boreholes or wells in wells
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
    • E21B43/24—Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection
    • E21B43/2406—Steam assisted gravity drainage [SAGD]

Definitions

  • the invention relates to wellbore structures and, in particular, nozzles and tubulars for wellbore fluid control.
  • Tubulars are employed to both inject fluids into and conduct fluids from a wellbore.
  • nozzles are employed to control the flow and pressure characteristics of the fluid moving through the wellbore.
  • a nozzle assembly comprising: a nozzle having a body formed of an erosion resistant material; and an orifice through the body, the orifice being non-linear and having a diverting bend therealong.
  • a wellbore tubular comprising: a base pipe including a wall; a port through the wall providing access between an inner diameter of the base pipe and an outer surface of the base pipe; a nozzle in the port, the nozzle including an orifice including a bend therein.
  • a method for handling fluid in a wellbore comprising: passing fluid through a nozzle orifice between an inner diameter of a tubular and an outer surface of the tubular, the nozzle orifice diverting flow such that the flow passes in a non-linear fashion between the inner diameter and the outer surface.
  • Figure 1 is a perspective view of a wellbore tubular
  • Figure 2 is a section along line I-I of Figure 1 ;
  • Figure 3 is a section through line II-II of Figure 2;
  • Figure 4 is an enlarged section through a nozzle installed in the wall of a tubular;
  • Figure 5 is an exploded perspective view of the components of a nozzle to be installed in the wall of a tubular;
  • Figure 6 is a perspective view of a nozzle seat;
  • Figure 7 is an enlarged sectional view of a nozzle;
  • Figure 8 is an enlarged section through a nozzle installed in the wall of a tubular.
  • a wellbore tubular 10 is shown.
  • the wellbore tubular is for conveying fluid into or out of a well and for permitting fluid to pass between its inner diameter and outer surface.
  • the tubular has a durable construction and may even accommodate the significant rigors presented by handling steam flows.
  • the wellbore tubular may be formed using various constructions.
  • the ends 10a of the wellbore tubular may be formed for connection to adjacent wellbore tubulars.
  • the tubular's ends are shown as blanks, they may be formed in various ways for connection end to end with other tubulars to form a string of tubular, such as, for example, by formation at one or both ends as threaded pins, threaded boxes or other types of connections.
  • Wellbore tubular 10 includes a base pipe 12 with one or more ports 14 therethrough through which fluids may pass between the base pipe's inner diameter ID defined by inner surface 12a to its outer surface 12b.
  • fluid flow can be inwardly through the ports toward inner diameter ID or outwardly from inner diameter ID to the outer surface.
  • the inner diameter generally extends from end to end of the tubular such that the tubular can act to convey fluids from end to end therethrough and be used to form a length of a longer fluid conduit through a plurality of connected tubulars.
  • the tubular may include a shield 16 mounted to base pipe.
  • the shield may be positioned to overlap the ports.
  • Shield 16 may be spaced from outer surface 12b such that a space 18 is provided between the shield and outer surface 12b.
  • shield 16 is spaced at at least some edges 16a from outer surface 12b such that there are openings 18a through which space 18 can be accessed at those edges.
  • the shield may be positioned to encircle base pipe 12 at the ports 14 and, therefore, may be shaped as a sleeve, as shown with space 18 formed as an annulus and with annular access openings 18a at both ends of the sleeve.
  • the openings may take other forms in other embodiments, depending on the form of the base tubular, sleeve, and mode of operation.
  • the 1 18a openings may be formed in whole or in part by grooves 1 19 in the outer surface 1 12b of the base pipe ( Figure 8).
  • Shield 16 may serve a number of purposes including, for example, protecting the ports from abrasion and diverting flow for fluid velocity control.
  • shield 16 diverts flow between the exterior of the tubular and ports 14, such that it must pass along outer surface 12b of base pipe. Flow, therefore, cannot pass directly radially between the exterior of the tubular and inner diameter ID.
  • ports 14 open into space 18, flow between exterior of the tubular and the inner diameter changes direction at least once: at the intersection of port 14 and space 18. While flow through the ports 14 is radial relative to the long axis xb of the tubular, flow between the ports and the exterior of the tool is through space 18 and that flow is substantially orthogonal relative to the radial flow through ports 14.
  • Each port 14 has a nozzle assembly 20 installed therein.
  • the nozzle assembly permits flow control through the port in which it is installed.
  • nozzle assembly 20 includes at least a nozzle 22 and may include an installation fitting 24.
  • Nozzle 22 includes an orifice 26 extending through the nozzle body through which fluid passes through the nozzle and therefore through the port.
  • a nozzle 22 is installed in each port such that flow through the port is controlled by the shape and form of orifice.
  • Nozzle 22 is formed of a material that can withstand the erosive rigors experienced down hole such as via abrasive flows, high velocity flows and/or steam passing through orifice 26.
  • Nozzle 22 may, for example, be formed of a material different, for example, harder than the material forming base pipe 12.
  • the base pipe is, for example, usually formed of steel such as carbon steel and nozzle 22 may be formed of a material harder than the carbon steel of base pipe 12.
  • nozzle 22 may be formed of tungsten carbide, stainless, hardened steel, filled materials, etc.
  • Orifice 26 may be shaped to allow non-linear flow through nozzle 22.
  • orifice 26 defines a path through the nozzle, through which fluid flows, and the path from its inlet end to its outlet end is non-linear, including at least one bend or elbow that causes at least one change in direction of the fluid flowing through the orifice.
  • This bend may affect fluid flows in a number of ways to redirect the flow to a more favorable direction, to cause impingement of the fluid against a nozzle surface or another flow to diffuse energy from the flow, to mitigate erosive damage to certain surfaces and/or to create a back pressure to slow or otherwise control flows through the nozzle.
  • orifice 26 may include a diverting bend at y that diverts flow through the nozzle from a first direction to a second direction which is offset, out of line from the first direction.
  • first direction is shown by arrow Fa
  • second direction is shown by arrow Fb.
  • the second direction is substantially orthogonal to the first direction.
  • Nozzle 22 is positioned in a port and will have one end open to the inner diameter ID of the tubular and the other end open to the outer surface 12b.
  • the nozzle is installed so that a base end 22a is installed adjacent and open to inner surface 12a and an opposite end 22b is installed adjacent and open to outer surface 12b.
  • Orifice 26 may be formed, therefore, to avoid straight through flow between base end 22a and opposite end 22b.
  • Orifice 26, for example, may include a portion defining a main aperture 26a and a portion defining a lateral aperture 26b.
  • Main aperture 26a extends from an opening 26a' at a base end 22a of nozzle 22 to an end wall 26a" at an opposite end 22b of the nozzle.
  • Lateral aperture 26b extends from the main aperture and connects main aperture 26a to another opening 26b' adjacent opposite end 22b.
  • Lateral aperture 26b extends at an angle from the long axis of main aperture 26a.
  • the angular intersection of the axis of lateral aperture relative to the main aperture may be substantially orthogonal (+/- 45°) and in one embodiment, for example, the apertures 26a, 26b intersect at y at substantially 90°.
  • the nozzle may be substantially cylindrical with ends 22a, 22b and substantially cylindrical side walls extending between the ends.
  • the main aperture portion opens at an end and the pair of lateral aperture portions opens on the cylindrical side walls.
  • End wall 26a" prevents straight through flow through the nozzle and acts to divert flow from the first direction in the main aperture to the lateral direction through lateral aperture 26b. Impingement of fluid flows against wall 26a" dissipates energy from the flow and concentrates erosive energy against wall 26a" rather than surfaces beyond the nozzle. Orifice 26 is formed through the material of the nozzle and, thus, walls 26a" and the other walls defining orifice 26 are of erosion-resistant material. Thus, the diverting bend and in particular end wall 26a", can reliably accommodate the passage therethrough of erosive flows including that of steam.
  • Orifice 26 may be further configured to control the flow characteristics of fluid passing therethrough.
  • apertures 26a, 26b may be sized to limit the volume of fluid capable of passing therethrough.
  • apertures 26b may be smaller diameter openings, sized to allow less flow, than aperture 26a.
  • the total cross sectional area of apertures 26b may be less than the total cross sectional area of aperture 26a, such that a back pressure is created when flow is in the direction of arrows Fa, Fb.
  • apertures 26a, 26b may be shaped to impart desired flow rate and/or pressure on the fluid passing therethrough.
  • lateral aperture 26b as shown, has internal shape with a jetting constriction to impart a jet effect, which generally includes a fluid acceleration and pressure change (i.e. drop), in the fluid passing therethrough.
  • the shape of apertures 26a may change depending on whether the flow is intended to be with arrows Fb or against them or a bidirectional jetting shape may be employed with a symmetrical constriction similar to an hour glass.
  • orifice 26 may take the form of a T-shaped conduit with at least two lateral apertures 26b extending from the main aperture.
  • two lateral apertures 26b are shown, there may be only one or more than two such apertures.
  • Nozzle 22 conveys fluid between openings 26a' and 26b' across the wall of the base pipe. One opening is exposed in the inner diameter of the base pipe and the other opening is exposed on outer surface 12b. If shield 16 is employed, fluid when exiting from nozzle 22, enters annulus 18. The position of orifice 26b' of lateral aperture 26b causes some fluid movement parallel to outer surface 12b, rather than straight radially out from port 14.
  • Nozzle 22 may be installed in any of various ways in its port 14.
  • nozzle assembly 20 may include installation fitting 24 to hold nozzle 22 in its port 14.
  • a fitting 24 may be employed to ensure a good fit of the nozzle in its port and may, for example, reduce the risk of nozzle falling out of the port.
  • Installation fitting 24 may be formed to fit between the nozzle and the port.
  • the installation fitting may include a portion for being engaged in the port and a portion for securing nozzle. The portion for being engaged in the port may vary depending on the form and the shape of the port and the desired mode of installation in port 14.
  • installation fitting 24 includes a threaded portion 28 as that portion engageable in the port.
  • the port may also include threads 30 into which fitting 24 may be threaded.
  • the portion for securing the nozzle may also vary, for example, depending on the form and shape of nozzle 22 and the desired mode of installation of nozzle 22.
  • nozzle 22 can be held rigidly by the fitting and in another embodiment, nozzle may be installed have some degree of movement relative to the fitting, while being held against becoming entirely free of the fitting.
  • fitting 24 in the illustrated example includes a passage 32 into which nozzle 22 fits. Passage 32 passes fully through the fitting such that it is open at both ends of the fitting and, in other words, the fitting is formed as a ring. When nozzle 22 is installed, opening 26a' is exposed at one end of the passage and opening 26b' is exposed at the other end of the passage.
  • nozzle 22 is secured rigidly into passage 32.
  • nozzle 22 may be press fit and possibly mechanically shrunk fit, into passage 32.
  • fitting 24 may be heated to cause thermal expansion thereof that enlarges the diameter across passage 32, nozzle 22 may be fit therein and fitting 24 cooled to contract about the nozzle and, thereby, firmly engage it.
  • fitting 24 may include features to modify the hoop stresses about the ring to best accommodate heating expansion for press fitting.
  • passage 32 and nozzle 22 may have a tapering diameter from end to end to facilitate press fitting these parts together.
  • nozzle 22 may have a tapering outer diameter from one end to the other and passage 32 may have a tapering inner diameter from one end to the other end.
  • passage 32 may include notches 34 in the otherwise substantially circular sectional shape (orthogonal to the center axis x of passage 32).
  • the material of nozzle 22 may have thermal expansion properties different than the material of base pipe 12. As such, if nozzle 22 was installed directly into base pipe 12, it may tend to become dislodged or damaged in use such as when in a high temperature (i.e. steam) environment. Generally, the materials most useful for the nozzle may have a low coefficient of thermal expansion, while the materials most useful for the base pipe 12 may have a reasonably high coefficient of thermal expansion and most often a nozzle firmly installed in a port at ambient temperatures may tend to fall out of a base pipe at elevated temperatures. To address issues caused by thermal expansion, installation fitting 24 may be formed of a material having a coefficient of thermal expansion selected to work well with both the nozzle and the base pipe.
  • installation fitting 24 is formed of a material having a coefficient of thermal expansion between those of the materials of the base pipe and the nozzle.
  • the coefficient of thermal expansion of fitting 24 is greater than that of base pipe 12.
  • Shield 16 may overlap the nozzle assembly to hold nozzle 22 in the port 14.
  • nozzle 22 is fit in port such that any movement to fall out of port is radially out, as may be controlled, for example, by tapering of nozzle and the port/passage in which it is installed to have the wide ends on radially outwardly positioned.
  • Shield 16 includes a plug 36 in a hole 38 that substantially radially aligns with port 14.
  • Plug 36 is removable to allow opening of hole 38 and access to port 14 and, thereby, installation of nozzle assembly 20 to port 14 through hole 38. After nozzle 22 is installed, plug 36 may be reinstalled in hole 38 to overlie the nozzle. Plug 36 and hole 38, for example, may be threaded to facilitate removal and reinstallation of the plug.
  • Plug 36 can ensure that nozzle 22 remains in position in port 14 even if nozzle 22 comes loose.
  • plug 36 can be formed to penetrate into hole 38 sufficiently to bear down on end 22b of the nozzle. If there are tolerances that may prevent reliable fitting of the plug against end 22b of the nozzle, a flexible spacer may be employed. For example, as shown, there may be a spring 40 between plug 36 and nozzle 22.
  • Nozzle assembly 20, in this embodiment including nozzle 22 and fitting 24 in port 14, allows fluid to move between inner diameter ID and outer surface 12b through orifice 26. The lateral orifice 26b directs fluid flows that are adjacent opening 26b' to pass substantially parallel to outer surface 12b through annulus 18.
  • aperture 26b may be positioned such that flows therethrough pass somewhat parallel to the long axis xb of base pipe.
  • the nozzle 22 can be installed such that the axis xa of aperture 26b is within 60° and perhaps within 45° of long axis xb.
  • axis xa of aperture 26b is substantially aligned with long axis xb.
  • plug 36 can be removed from hole 38, the nozzle assembly including at least nozzle 22 but possibly also fitting 24 can be inserted through hole 38 and installed in port 14 with openings 26a' and 26b' exposed in inner diameter ID and annulus 18, respectively, and with axis xa of aperture 26b directed in a selected direction, for example toward the open edges 16a of shield 16. Then plug 36 can be installed in hole 38 over nozzle 22. If there is a spacer, such as spring 40, it is positioned between nozzle 22 and plug 36. In an embodiment where the nozzle assembly includes fitting 24 and nozzle 22, these parts can be installed separately or may be connected ahead of installation. Tubulars according to the present invention can take other forms as well.
  • tubular 110 includes a screening apparatus 150.
  • Tubular 1 10 is primarily useful for handling inflows, since screening apparatus 150 removes oversize particles from the flows to opening 118a.
  • Grooves 1 19 in outer surface 1 12b extend under apparatus 150, through openings 118a under an edge of the shield and into space 1 18 between outer surface 1 12b and shield 116. Space 1 18 opens to nozzle.
  • tubular 1 10 illustrates a nozzle 122 without an additional installation fitting and, instead, nozzle 122 is secured directly into the material of base pipe.
  • fluid may pass through nozzle orifice 26 between inner diameter ID and outer surface 12b.
  • Nozzle 22 diverts flow such that it passes in a non-linear fashion between inner diameter ID and outer surface 12b.
  • Orifice 26 causes fluid flows to change direction as they pass through the nozzle including both: (i) substantially radially relative to the long axis xb of the base pipe and (ii) substantially parallel to the outer surface, which is possibly somewhat parallel to the long axis of the base pipe. This may direct flows through an annulus between outer surface 12b and a shield 16 spaced from the outer surface. The fluid may flow through space 18, along outer surface 12b through an opening 18a, 1 18a to the annulus about the tubular.
  • nozzle 22 may control fluid flows by accommodating and avoiding erosion through ports and controlling velocity and pressure characteristics of the flow.
  • a method for accepting inflow of steam or produced fluids in a paired, heavy oil (such as oil sand), gravity drainage well may employ a tubular such as is depicted in Figures 1 to 3 or Figure 7.
  • paired well steam production it is desirable that introduced steam create a steam chamber in the formation that heats the heavy oil and mobilizes it as produced fluids.
  • the produced fluids are intended to flow into a producing well.
  • steam from an adjacent well may break through and seek to enter the producing well.
  • steam may be restricted from passing into the tubular due to the form of the nozzle and the configuration of the nozzle in the tubular.
  • the limited entry size of the apertures first limits the volume of produced fluids that can pass into the tubular.
  • the impingement of flows from the diametrically opposed apertures 26b tends to resist flows through the orifice 26 and creates a back pressure that limits flows through the nozzle.
  • the diverted flow path from aperture 26b to aperture 26a dissipates fluid force so that the tubular tends not to problematically erode. As such, a steam chamber may form outwardly of the tubular, even if a break through occurs from the steam injection well to the producing well.
  • the method may include holding nozzle in place against forces tending to move the nozzle into an inactive position.
  • the method may include holding the nozzle down into the port, for example, by a shield thereover.
  • the method may include holding the nozzle against dislodgement by differences in thermal expansion, for example, by use of a fitting.
  • a fitting may act between the nozzle and the base pipe to hold the nozzle in place.
  • the fitting may prevent the nozzle from passing into the inner diameter due to a taper in the parts and the nozzle may have a thermal expansion that holds nozzle in place.
  • nozzle 22 While the embodiment is described wherein nozzle 22 is rigidly installed in fitting 24, the nozzle in some embodiments can be slide ably mounted in the fitting. For example, nozzle can slide into and out of the fitting depending on the pressures against openings 26a' and 26b'. As such, nozzle 22 can operate as a form of valve.
  • nozzle 22 can operate as a form of valve.

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  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Nozzles (AREA)
  • Control Of Metal Rolling (AREA)
  • Coating With Molten Metal (AREA)
  • Treatment Of Fiber Materials (AREA)

Abstract

L'invention concerne un matériel tubulaire pour trou de forage comprenant: un tuyau de base comprenant une paroi; un orifice dans la paroi assurant un accès entre un diamètre intérieur du tuyau de base et une surface extérieure du tuyau de base; une buse dans l'orifice, la buse comprenant un orifice comprenant à l'intérieur un mélange.
PCT/CA2014/051236 2013-12-20 2014-12-18 Buse, matériel tubulaire pour trou de forage et procédé WO2015089669A1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP14870818.3A EP3084117A4 (fr) 2013-12-20 2014-12-18 Buse, matériel tubulaire pour trou de forage et procédé
CA2934369A CA2934369A1 (fr) 2013-12-20 2014-12-18 Buse, materiel tubulaire pour trou de forage et procede
SG11201605045PA SG11201605045PA (en) 2013-12-20 2014-12-18 Nozzle, wellbore tubular and method
US15/106,251 US20160326843A1 (en) 2013-12-20 2014-12-18 Nozzle, wellbore tubular and method
RU2016129473A RU2016129473A (ru) 2013-12-20 2014-12-18 Сопло, скважинное трубное изделие и способ
BR112016014480A BR112016014480A2 (pt) 2013-12-20 2014-12-18 Bocal, tubular de furo de poço e método

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201361919111P 2013-12-20 2013-12-20
US61/919,111 2013-12-20

Publications (1)

Publication Number Publication Date
WO2015089669A1 true WO2015089669A1 (fr) 2015-06-25

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ID=53401870

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CA2014/051236 WO2015089669A1 (fr) 2013-12-20 2014-12-18 Buse, matériel tubulaire pour trou de forage et procédé

Country Status (7)

Country Link
US (1) US20160326843A1 (fr)
EP (1) EP3084117A4 (fr)
BR (1) BR112016014480A2 (fr)
CA (1) CA2934369A1 (fr)
RU (1) RU2016129473A (fr)
SG (1) SG11201605045PA (fr)
WO (1) WO2015089669A1 (fr)

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WO2019090420A1 (fr) * 2017-11-07 2019-05-16 Schlumberger Canada Limited Buse pour matériel tubulaire de puits de forage
US11692425B2 (en) * 2020-08-04 2023-07-04 Schlumberger Technology Corporation Method and downhole apparatus to accelerate wormhole initiation and propagation during matrix acidizing of a subterranean rock formation

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US11274528B2 (en) 2017-08-30 2022-03-15 Rgl Reservoir Management Inc. Flow control nozzle and apparatus comprising a flow control nozzle
US11519250B2 (en) 2018-05-10 2022-12-06 Variperm Energy Services Inc. Nozzle for steam injection
CA3104752A1 (fr) 2018-07-07 2020-01-16 Rgl Reservoir Management Inc. Buse de regulation de debit et systeme
US10494902B1 (en) * 2018-10-09 2019-12-03 Turbo Drill Industries, Inc. Downhole tool with externally adjustable internal flow area
WO2020076310A1 (fr) * 2018-10-09 2020-04-16 Turbo Drill Industries, Inc. Outil de fond de trou avec zone d'écoulement interne réglable de l'extérieur
WO2020168438A1 (fr) 2019-02-24 2020-08-27 Rgl Reservoir Management Inc. Buse pour étranglement d'eau
CA3106790A1 (fr) 2020-01-24 2021-07-24 Rgl Reservoir Management Inc. Buse de production pour une recuperation utilisant un solvant
CA3181767C (fr) * 2021-01-19 2024-04-30 Xiaoqi Wang Appareils, systemes et procedes de regulation de debit entrant de fluide

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Publication number Priority date Publication date Assignee Title
WO2019090420A1 (fr) * 2017-11-07 2019-05-16 Schlumberger Canada Limited Buse pour matériel tubulaire de puits de forage
US11692425B2 (en) * 2020-08-04 2023-07-04 Schlumberger Technology Corporation Method and downhole apparatus to accelerate wormhole initiation and propagation during matrix acidizing of a subterranean rock formation

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RU2016129473A (ru) 2018-01-25
EP3084117A4 (fr) 2017-12-13
EP3084117A1 (fr) 2016-10-26
US20160326843A1 (en) 2016-11-10
SG11201605045PA (en) 2016-07-28
BR112016014480A2 (pt) 2017-08-08
CA2934369A1 (fr) 2015-06-25

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