WO2021007645A1 - Dispositif de traitement d'un puits de forage de formation de fond de trou - Google Patents

Dispositif de traitement d'un puits de forage de formation de fond de trou Download PDF

Info

Publication number
WO2021007645A1
WO2021007645A1 PCT/CA2019/050970 CA2019050970W WO2021007645A1 WO 2021007645 A1 WO2021007645 A1 WO 2021007645A1 CA 2019050970 W CA2019050970 W CA 2019050970W WO 2021007645 A1 WO2021007645 A1 WO 2021007645A1
Authority
WO
WIPO (PCT)
Prior art keywords
chemical composition
weight
combustible chemical
wellbore
ammonium nitrate
Prior art date
Application number
PCT/CA2019/050970
Other languages
English (en)
Inventor
Jordan BRENNAN
Original Assignee
Lamrock Canada Incorporated
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 Lamrock Canada Incorporated filed Critical Lamrock Canada Incorporated
Priority to US17/597,594 priority Critical patent/US20220259945A1/en
Priority to PE2022000058A priority patent/PE20221246A1/es
Priority to PCT/CA2019/050970 priority patent/WO2021007645A1/fr
Priority to IL289755A priority patent/IL289755A/en
Priority to EP19937754.0A priority patent/EP3997305A4/fr
Priority to AU2019457059A priority patent/AU2019457059A1/en
Priority to CA3143625A priority patent/CA3143625A1/fr
Priority to BR112022000567A priority patent/BR112022000567A2/pt
Publication of WO2021007645A1 publication Critical patent/WO2021007645A1/fr
Priority to ECSENADI20222883A priority patent/ECSP22002883A/es
Priority to CONC2022/0001421A priority patent/CO2022001421A2/es

Links

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
    • E21B37/00—Methods or apparatus for cleaning boreholes or wells
    • E21B37/06—Methods or apparatus for cleaning boreholes or wells using chemical means for preventing or limiting, e.g. eliminating, the deposition of paraffins or like substances
    • 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
    • E21B36/00—Heating, cooling or insulating arrangements for boreholes or wells, e.g. for use in permafrost zones
    • E21B36/008—Heating, cooling or insulating arrangements for boreholes or wells, e.g. for use in permafrost zones using chemical heat generating means
    • 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
    • E21B37/00—Methods or apparatus for cleaning boreholes or wells
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B37/00—Methods or apparatus for cleaning boreholes or wells
    • E21B37/08—Methods or apparatus for cleaning boreholes or wells cleaning in situ of down-hole filters, screens, e.g. casing perforations, or gravel packs
    • 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
    • E21B43/25—Methods for stimulating production
    • E21B43/255—Methods for stimulating production including the injection of a gaseous medium as treatment fluid into the formation

Definitions

  • the present invention relates to a device for treating a wellbore and, in particular, to a device which generates hydrochloric acid gas, hydrofluoric acid gas or a combination thereof to treat a bottom-hole of a wellbore.
  • a decrease in the permeability of a bottom-hole formation of a wellbore may result in a decrease in hydrocarbon recovery.
  • the decrease in the permeability of the bottom-hole formation may be the result of dilatation due to asphaltic deposits or volumetric readjustments of bore space structure.
  • the decrease in the permeability of the bottom-hole formation may be the result of clogging from clay swelling or deposits of foreign matter such as mechanical impurities, filtrates, well knitting, drill-in fluids, well development fluids, and cement.
  • Sand and paraffin-hydrate plugs are also known to cause a decrease in the permeability of the bottom-hole formation as are calcium carbonate scale, calcium sulfate scale, and other scale. It is therefore desirable to treat the bottom-hole formation of a wellbore to increase the permeability of a bottom-hole formation and increase hydrocarbon recovery.
  • the device comprises a firing head and seal block assembly at a proximal end thereof and a bullnose assembly at a distal end thereof.
  • a carrier tube extends between the firing head and seal block assembly and the bullnose assembly.
  • the carrier tube contains a combustible chemical composition which generates hydrochloric acid gas or hydrofluoric acid gas or a combination thereof when combusted.
  • a dispersion tube extends from the carrier tube.
  • the dispersion tube has a lateral opening. The lateral opening may be a slot or an aperture.
  • the combustible chemical composition may comprise between 30% and 60% by weight hexachloroethane and between 40% and 70% by weight ammonium nitrate.
  • the combustible chemical composition may alternatively comprise between 30% and 60% by weight polyvinyl chloride and between 40% and 70% by weight ammonium nitrate.
  • the combustible chemical composition may still alternatively comprise between 0% and 5% by weight polyvinyl chloride, between 25% and 55% by weight hexachloroethane, and between 40% and 70% by weight ammonium nitrate.
  • the combustible chemical composition may still yet alternatively comprise between 5% and 25% by weight polytetrafluoroethylene, between 25% and 55% by weight hexachloroethane, and between 40% and 70% by weight ammonium nitrate.
  • the combustible chemical composition may be disposed in a sleeve.
  • the sleeve may be a polyvinyl chloride sleeve.
  • the combustible chemical composition may include a plurality of solid puck shaped members.
  • the combustible chemical composition may further include an adhesive binding adjacent ones of the solid puck shaped members.
  • the combustible chemical composition may further include a combustion catalyst.
  • Figure 1 is an elevation, partially sectional, view showing a device for treating a bottom-hole formation of a vertical wellbore
  • Figure 2 is an exploded, perspective view of the device for treating a bottom- hole formation of a wellbore shown in Figure 1;
  • Figure 3 is an elevation, fragmentary and partially sectional, view of the device for treating a bottom -hole formation of a wellbore shown in Figure 1;
  • Figure 4 is an exploded, perspective view of another device for treating a bottom-hole formation of a wellbore.
  • Figure 5 is an exploded, perspective view of still another device for treating a bottom-hole formation of a wellbore.
  • a device 10 for treating a bottom-hole formation 12 of a wellbore 14 The device 10 is lowered into the wellbore 14 by a wireline 16 in this example. However, in other examples, coiled tubing or other suitable means may be employed to lower the device 10 into the wellbore 14.
  • the wellbore 14 is cased with a perforated casing 18.
  • the device 10 may also be employed to treat a wellbore provided with a slotted liner or an open hole wellbore.
  • the device 10 may be deployed in a vertical wellbore or horizontal wellbore.
  • the device may be deployed in a producing wellbore or an injection wellbore.
  • the device 10 is shown in greater detail in Figure 2.
  • the device 10 comprises a firing head and sealing block assembly 30 at a proximal end thereof and a bullnose assembly 32 at a distal end thereof.
  • a proximal end of a spacer tube 34 is coupled to the firing head and sealing block assembly 30.
  • a carrier tube 36 is coupled to a distal end of the spacer tube 34.
  • a dispersion tube 38 is coupled to a distal end of the carrier tube 36.
  • a distal end of the dispersion tube is coupled to the bullnose assembly 32.
  • There is a plurality of openings in the dispersion tube 38 which, in this example, are in the form of slots 40a and 40b.
  • the carrier tube 36 contains a combustible chemical composition which generates hydrochloric acid gas or hydrofluoric acid gas or a combination thereof when combusted.
  • Figure 3 shows a combustible chemical composition 42 contained in the carrier tube 36.
  • the combustible chemical composition 42 is contained in the carrier tube 36 and comprises a plurality of puck shaped members, for example, puck shaped member 44a and 44b which are fitted into the carrier tube 36.
  • a charge wire 46 provides a charge to combust the combustible chemical composition 42 contained in the carrier tube 36.
  • at least one of the puck shaped members is a combustion catalyst comprising epoxy resin, potassium dichromate, and ammonium nitrate.
  • a combustion catalyst is not required, but any suitable combustion catalyst may be employed.
  • Examples of the combustible chemical compositions are set out below. Examples 1-3 and 5-7 generate hydrochloric acid gas and examples 4 and 8 generate hydrochloric acid gas and hydrofluoric acid gas.
  • Chlorinated polyvinyl 0% to 5%
  • the device 10 may also be employed to treat a wellbore provided with a slotted liner or an open hole wellbore. It will also be understood by a person skilled in the art that the device 10 may be deployed in a vertical wellbore or horizontal wellbore. It will further be understood by a person skilled in the art that the device may be deployed in a producing wellbore or an injection wellbore. A perforating gun may be used with the device 10. Packers may also be employed to isolate the devices. [0019] Figure 4 shows another device 50 for treating a bottom -hole formation of a wellbore.
  • the device 50 is substantially similar to the device shown in Figures 1 to 3 with the notable exception that the dispersion tube 52 has lateral openings in the form of apertures 54a and 54b.
  • Figure 5 shows still another device 60 for treating a bottom-hole formation of a wellbore.
  • the device 60 is substantially similar to the device shown in Figures 1 to 3 with the notable exception that there is no dispersion tube and the carrier tube 62 has lateral openings in the form of apertures 64a and 64b.

Landscapes

  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Chemical & Material Sciences (AREA)
  • Incineration Of Waste (AREA)
  • Fuel Cell (AREA)
  • Drying Of Semiconductors (AREA)
  • Fire-Extinguishing Compositions (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Gas Separation By Absorption (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)

Abstract

Un dispositif pour le traitement d'une formation de fond de trou d'un puits de forage comprend une tête d'amorce et un ensemble bloc d'étanchéité au niveau d'une extrémité proximale de celle-ci et un ensemble bouchon de conduite au niveau d'une extrémité distale de celle-ci. Un tube porteur s'étend entre la tête d'amorce et l'ensemble bouchon de conduite. Le tube porteur contient une composition chimique combustible qui génère de l'acide chlorhydrique gazeux, de l'acide fluorhydrique gazeux ou une combinaison de ceux-ci lorsqu'elle est brûlée. Un tube de dispersion s'étend à partir du tube de support. Le tube de dispersion présente une ouverture latérale. L'ouverture latérale peut être une fente ou une ouverture. Un fil de charge relie électriquement la tête d'amorce et l'ensemble bloc d'étanchéité à la composition chimique combustible.
PCT/CA2019/050970 2019-07-12 2019-07-12 Dispositif de traitement d'un puits de forage de formation de fond de trou WO2021007645A1 (fr)

Priority Applications (10)

Application Number Priority Date Filing Date Title
US17/597,594 US20220259945A1 (en) 2019-07-12 2019-07-12 Device for treating a bottom-hole formation wellbore
PE2022000058A PE20221246A1 (es) 2019-07-12 2019-07-12 Un dispositivo para tratar una formacion de fondo de un recinto del pozo
PCT/CA2019/050970 WO2021007645A1 (fr) 2019-07-12 2019-07-12 Dispositif de traitement d'un puits de forage de formation de fond de trou
IL289755A IL289755A (en) 2019-07-12 2019-07-12 A device for the treatment of bottom hole jamming in well shaft drilling
EP19937754.0A EP3997305A4 (fr) 2019-07-12 2019-07-12 Dispositif de traitement d'un puits de forage de formation de fond de trou
AU2019457059A AU2019457059A1 (en) 2019-07-12 2019-07-12 A device for treating a bottom-hole formation wellbore
CA3143625A CA3143625A1 (fr) 2019-07-12 2019-07-12 Dispositif de traitement d'un puits de forage de formation de fond de trou
BR112022000567A BR112022000567A2 (pt) 2019-07-12 2019-07-12 Dispositivo para tratar uma formação de fundo de poço de um furo de poço
ECSENADI20222883A ECSP22002883A (es) 2019-07-12 2022-01-12 Un dispositivo para tratar una formación de fondo de un recinto del pozo
CONC2022/0001421A CO2022001421A2 (es) 2019-07-12 2022-02-11 Un dispositivo para tratar una formación de fondo de un recinto del pozo

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CA2019/050970 WO2021007645A1 (fr) 2019-07-12 2019-07-12 Dispositif de traitement d'un puits de forage de formation de fond de trou

Publications (1)

Publication Number Publication Date
WO2021007645A1 true WO2021007645A1 (fr) 2021-01-21

Family

ID=74209645

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CA2019/050970 WO2021007645A1 (fr) 2019-07-12 2019-07-12 Dispositif de traitement d'un puits de forage de formation de fond de trou

Country Status (10)

Country Link
US (1) US20220259945A1 (fr)
EP (1) EP3997305A4 (fr)
AU (1) AU2019457059A1 (fr)
BR (1) BR112022000567A2 (fr)
CA (1) CA3143625A1 (fr)
CO (1) CO2022001421A2 (fr)
EC (1) ECSP22002883A (fr)
IL (1) IL289755A (fr)
PE (1) PE20221246A1 (fr)
WO (1) WO2021007645A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024012718A2 (fr) 2022-07-14 2024-01-18 ISOL8 (Holdings) Limited Matériau formant barrière ou bouchon

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3145770A (en) * 1961-01-27 1964-08-25 Pan American Petroleum Corp Method and apparatus for stimulating and testing earth formations
RU2329374C2 (ru) * 2006-05-22 2008-07-20 Казанский государственный энергетический университет (КГЭУ) Устройство для обработки призабойной зоны скважины и способ обработки призабойной зоны скважины
US20110315387A1 (en) * 2010-06-25 2011-12-29 Marat Shatikovich Gamerov System and method for cleaning a bottom-hole formation zone of a wellbore
CA2716975A1 (fr) * 2010-09-17 2012-03-17 Lamrock Canada Incorporated Dispositif servant a traiter une zone de formation de fond de puits d'un puits de forage
US20120199351A1 (en) 2008-03-26 2012-08-09 Robertson Michael C Method for removing a consumable downhole tool
RU2487237C1 (ru) * 2012-03-20 2013-07-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Казанский государственный энергетический университет" (ФГБОУ ВПО "КГЭУ") Устройство для обработки призабойной зоны скважины и способ обработки призабойной зоны скважины
WO2019153093A1 (fr) * 2018-02-09 2019-08-15 Lamrock Canada Incorporated Dispositif de traitement d'un puits de forage de formation de fond de trou

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3076507A (en) * 1958-05-16 1963-02-05 William G Sweetman Chemical cutting method and apparatus for use in wells
US4352397A (en) * 1980-10-03 1982-10-05 Jet Research Center, Inc. Methods, apparatus and pyrotechnic compositions for severing conduits

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3145770A (en) * 1961-01-27 1964-08-25 Pan American Petroleum Corp Method and apparatus for stimulating and testing earth formations
RU2329374C2 (ru) * 2006-05-22 2008-07-20 Казанский государственный энергетический университет (КГЭУ) Устройство для обработки призабойной зоны скважины и способ обработки призабойной зоны скважины
US20120199351A1 (en) 2008-03-26 2012-08-09 Robertson Michael C Method for removing a consumable downhole tool
US20110315387A1 (en) * 2010-06-25 2011-12-29 Marat Shatikovich Gamerov System and method for cleaning a bottom-hole formation zone of a wellbore
CA2716975A1 (fr) * 2010-09-17 2012-03-17 Lamrock Canada Incorporated Dispositif servant a traiter une zone de formation de fond de puits d'un puits de forage
CA2716975C (fr) 2010-09-17 2018-05-01 Lamrock Canada Incorporated Dispositif servant a traiter une zone de formation de fond de puits d'un puits de forage
RU2487237C1 (ru) * 2012-03-20 2013-07-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Казанский государственный энергетический университет" (ФГБОУ ВПО "КГЭУ") Устройство для обработки призабойной зоны скважины и способ обработки призабойной зоны скважины
WO2019153093A1 (fr) * 2018-02-09 2019-08-15 Lamrock Canada Incorporated Dispositif de traitement d'un puits de forage de formation de fond de trou

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP3997305A4

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024012718A2 (fr) 2022-07-14 2024-01-18 ISOL8 (Holdings) Limited Matériau formant barrière ou bouchon

Also Published As

Publication number Publication date
CO2022001421A2 (es) 2022-04-29
CA3143625A1 (fr) 2021-01-21
BR112022000567A2 (pt) 2022-03-15
PE20221246A1 (es) 2022-08-15
IL289755A (en) 2022-07-01
EP3997305A4 (fr) 2023-07-26
EP3997305A1 (fr) 2022-05-18
ECSP22002883A (es) 2022-04-29
AU2019457059A1 (en) 2022-03-03
US20220259945A1 (en) 2022-08-18

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