RU2002130160A - SLIDING CENTER-STABILIZER FOR DRILLING BY A BHP - Google Patents

SLIDING CENTER-STABILIZER FOR DRILLING BY A BHP

Info

Publication number
RU2002130160A
RU2002130160A RU2002130160/03A RU2002130160A RU2002130160A RU 2002130160 A RU2002130160 A RU 2002130160A RU 2002130160/03 A RU2002130160/03 A RU 2002130160/03A RU 2002130160 A RU2002130160 A RU 2002130160A RU 2002130160 A RU2002130160 A RU 2002130160A
Authority
RU
Russia
Prior art keywords
stabilizer
drilling
diameter
bhp
bit
Prior art date
Application number
RU2002130160/03A
Other languages
Russian (ru)
Other versions
RU2233962C2 (en
Inventor
Талгат Назметдинович Бикчурин
Михаил Николаевич Студенский
Анатолий Павлович Антипов
Тагир Халафович Замалиев
Азат Шамилевич Шаяхметов
Андрей Ярославович Вакула
Эльнур Нургалеевич Гимазов
Original Assignee
Общество с ограниченной ответственностью "Татнефть-Бурение"
Filing date
Publication date
Application filed by Общество с ограниченной ответственностью "Татнефть-Бурение" filed Critical Общество с ограниченной ответственностью "Татнефть-Бурение"
Priority to RU2002130160/03A priority Critical patent/RU2233962C2/en
Priority claimed from RU2002130160/03A external-priority patent/RU2233962C2/en
Publication of RU2002130160A publication Critical patent/RU2002130160A/en
Application granted granted Critical
Publication of RU2233962C2 publication Critical patent/RU2233962C2/en

Links

Claims (1)

Наддолотный центратор-стабилизатор для бурения забойным двигателем, включающий трубчатый корпус с присоединительной резьбой и с центрирующими элементами с продольными прорезями, отличающийся тем, что длина центрирующего элемента по вертикали, ограниченная рабочей поверхностью, выбрана в зависимости от его диаметра и диаметра долота следующим математическим выражением:A pre-bit centralizer-stabilizer for downhole drilling, including a tubular body with connecting thread and with centering elements with longitudinal slots, characterized in that the length of the centering element vertically limited by the working surface is selected depending on its diameter and the diameter of the bit with the following mathematical expression: Lц ≤ 25-35(dд-dц),L c ≤ 25-35 (d d -d n) где Lц - длина рабочей поверхности центратора по вертикали, мм;where L C - the length of the working surface of the centralizer vertically, mm; dд - диаметр долота, мм;d d - the diameter of the bit, mm; dц - диаметр центрирующего элемента, мм.d c - the diameter of the centering element, mm
RU2002130160/03A 2002-11-11 2002-11-11 Bottom collar centralizer-balancer for performing drilling operation with the use of downhole motor RU2233962C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2002130160/03A RU2233962C2 (en) 2002-11-11 2002-11-11 Bottom collar centralizer-balancer for performing drilling operation with the use of downhole motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2002130160/03A RU2233962C2 (en) 2002-11-11 2002-11-11 Bottom collar centralizer-balancer for performing drilling operation with the use of downhole motor

Publications (2)

Publication Number Publication Date
RU2002130160A true RU2002130160A (en) 2004-05-20
RU2233962C2 RU2233962C2 (en) 2004-08-10

Family

ID=33413232

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2002130160/03A RU2233962C2 (en) 2002-11-11 2002-11-11 Bottom collar centralizer-balancer for performing drilling operation with the use of downhole motor

Country Status (1)

Country Link
RU (1) RU2233962C2 (en)

Similar Documents

Publication Publication Date Title
ATE272785T1 (en) IMPROVEMENTS TO TOOLS USED IN THE BOREHOLE
NO20025861D0 (en) Method of drilling with casing
NO20035701L (en) Device and method for drilling with feed rudder
CA2460524A1 (en) Steerable underreaming bottom hole assembly and method
NO20040296L (en) Injecting a fluid into a borehole in front of the drill bit
CA2158903A1 (en) Bit-stabilized combination coring and drilling system
EA200100375A1 (en) CARTRIDGE SYSTEM, DOWN INTO THE CROWN OF DRILL PIPES AND THE DRILLING METHOD OF THE WELLS WITH CONDUCTING RESEARCHES IN IT WITH THE USE OF SUCH SYSTEM
CA2453768A1 (en) Drilling with concentric strings of casing
NO20020548D0 (en) Anti-rotation device for use with well tools
NO20034926D0 (en) Feeding and drilling of wells with drill part
WO2004083590A3 (en) Method and apparatus for drilling a borehole with a borehole liner
EA200501841A1 (en) DRILLING BIT AND SYSTEM INTENDED FOR DRILLING THE WELLS
DE602004008987D1 (en) Drilling tool in the borehole
SE0003916D0 (en) drilling Tools
EP1260338A3 (en) Twist drill
SE0300568D0 (en) Device for rock drills
CA2658134A1 (en) Dual string orbital drilling system
RU2003133980A (en) ULTRA-SHORT RADIUS DRILLING WELL DRILLING METHOD
ATE302104T1 (en) DRILLING APPARATUS WITH A HOLLOW DRILL
SE0202592D0 (en) Method and apparatus for directional drilling under mixed conditions
RU2007145427A (en) BREED DRILLING TOOL
SE8804042L (en) Drilling
US5697460A (en) Drill pipe for directional drilling
RU2002130160A (en) SLIDING CENTER-STABILIZER FOR DRILLING BY A BHP
RU95119324A (en) TOOL FOR DRILLING WELLS