RU99117670A - METHOD FOR DRILLING AN ADDITIONAL BORE FROM AN OPERATIONAL WELL OF A WELL - Google Patents

METHOD FOR DRILLING AN ADDITIONAL BORE FROM AN OPERATIONAL WELL OF A WELL

Info

Publication number
RU99117670A
RU99117670A RU99117670/03A RU99117670A RU99117670A RU 99117670 A RU99117670 A RU 99117670A RU 99117670/03 A RU99117670/03 A RU 99117670/03A RU 99117670 A RU99117670 A RU 99117670A RU 99117670 A RU99117670 A RU 99117670A
Authority
RU
Russia
Prior art keywords
well
drilling
additional
operational
additional bore
Prior art date
Application number
RU99117670/03A
Other languages
Russian (ru)
Other versions
RU2172384C2 (en
Inventor
Шафагат Фахразиевич Тахаутдинов
Изиль Галимзянович Юсупов
Габдрашит Султанович Абдрахманов
Нигаматьян Хамитович Хамитьянов
Альберт Габидуллович Зайнуллин
Григорий Алексеевич Орлов
Светлана Изильевна Амерханова
Виталий Петрович Филиппов
Original Assignee
Открытое акционерное общество "Татнефть" Татарский научно-исследовательский и проектный институт нефти "ТатНИПИнефть"
Filing date
Publication date
Application filed by Открытое акционерное общество "Татнефть" Татарский научно-исследовательский и проектный институт нефти "ТатНИПИнефть" filed Critical Открытое акционерное общество "Татнефть" Татарский научно-исследовательский и проектный институт нефти "ТатНИПИнефть"
Priority to RU99117670/03A priority Critical patent/RU2172384C2/en
Priority claimed from RU99117670/03A external-priority patent/RU2172384C2/en
Publication of RU99117670A publication Critical patent/RU99117670A/en
Application granted granted Critical
Publication of RU2172384C2 publication Critical patent/RU2172384C2/en

Links

Claims (1)

Способ бурения дополнительного ствола из эксплуатационной колонны скважины, включающий забуривание дополнительного ствола, меньшего диаметра по сравнению с основным, с использованием отклонителя, бурение дополнительного ствола и крепление его экспандируемыми профильными трубами, отличающийся тем, что бурение дополнительного ствола ведут до кровли продуктивного пласта, после чего в скважину закачивают изоляционный материал и крепят пробуренную часть дополнительного ствола экспандируемыми профильными трубами, а затем вскрывают продуктивный пласт при поддержании на забое давления, равновесного с внутрипластовым или депрессивного по отношению к нему.A method of drilling an additional wellbore from a production casing of a well, comprising drilling an additional wellbore of a smaller diameter than the main one, using a diverter, drilling an additional wellbore and securing it with expandable profile pipes, characterized in that the additional wellbore is drilled to the roof of the reservoir, after which insulating material is pumped into the well and the drilled part of the additional shaft is fastened with expandable profile pipes, and then open ductive layer while maintaining on the bottom of the pressure, equilibrium with the in-situ or depressive in relation to it.
RU99117670/03A 1999-08-09 1999-08-09 Method of drilling of auxiliary wellbore from flow string RU2172384C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU99117670/03A RU2172384C2 (en) 1999-08-09 1999-08-09 Method of drilling of auxiliary wellbore from flow string

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU99117670/03A RU2172384C2 (en) 1999-08-09 1999-08-09 Method of drilling of auxiliary wellbore from flow string

Publications (2)

Publication Number Publication Date
RU99117670A true RU99117670A (en) 2001-06-10
RU2172384C2 RU2172384C2 (en) 2001-08-20

Family

ID=48229842

Family Applications (1)

Application Number Title Priority Date Filing Date
RU99117670/03A RU2172384C2 (en) 1999-08-09 1999-08-09 Method of drilling of auxiliary wellbore from flow string

Country Status (1)

Country Link
RU (1) RU2172384C2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2463433C1 (en) * 2011-05-05 2012-10-10 Открытое акционерное общество "Татнефть" имени В.Д. Шашина Method of drilling extra bore from well production string
RU2504636C1 (en) * 2012-07-27 2014-01-20 Открытое акционерное общество "Татнефть" имени В.Д. Шашина Construction method of additional shaft in well
RU2504645C1 (en) * 2012-07-27 2014-01-20 Открытое акционерное общество "Татнефть" имени В.Д. Шашина Method of construction of multi-bottom wells and bearing plate to this end
RU2714397C1 (en) * 2019-07-31 2020-02-14 Публичное акционерное общество «Татнефть» имени В.Д. Шашина Unstable rocks driving method during drilling of offshoot with horizontal end

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