METHOD OF DRILLING UNDERGROUND WELLS FROM CASING Russian patent published in 2000 - IPC

Abstract RU 2150567 C1

FIELD: drilling of directional wells, particularly, drilling of directional wellbore from central cased wellbore. SUBSTANCE: in realization of drilling of additional wells from main wellbore by means of template having at least two through channels located above template is orienting driver chuck with through channel, and provided between orienting driver chuck, casing and at last one channel in template is tight seal for fluid. EFFECT: higher reliability of joint of respective units in drilling of additional directional wells from main wellbore. 11 cl, 12 dwg

Similar patents RU2150567C1

Title	Year	Author	Number
UNDERGROUND SYSTEM OF BORE-HOLES	1996	Kollinz Gari Zh.	RU2135732C1
TEMPLATE FOR DRILLING AND EQUIPPING OF WELLS (VERSIONS) AND METHOD OF TEMPLATE USE	1998	Kollinz Gehri Dzh.	RU2186190C2
METHOD OF DRILLING AND EQUIPPING UNDERGROUND BORE-HOLES, ASSEMBLY FOR THEIR SEPARATE DRILLING FROM COMMON BORE-HOLE	1994	Kollinz Garri[Us] Boduehn Ehrvin[Us]	RU2107142C1
METHOD AND DEVICE FOR IDENTIFICATION OF TRACKING OF PROPERTY	2002	Zirolf Dzhozef A.	RU2295140C2
METHOD FOR DRILLING SEVERAL UNDERGROUND BORE-HOLES, TEMPLATE AND METHOD OF USING IT	1993	Kollinz Gari Zh.[Us] Bauf Dzhon L.[Us] Benker Vil'Gel'M E.[Us]	RU2107141C1
WELL FOR RECOVERY OR INJECTION OF FLUID AND METHOD FOR PREVENTION OF LOOSENING OR DISPLACEMENT OF COMPACTED GRAVEL IN WELL	1991	Donal'D I.Shreder Brajan A.Batler[Us]	RU2069258C1
METHOD FOR COMPLETING UNDERGROUND FORMATIONS AND SYSTEM FOR REALIZATION OF SAID METHOD	2000	Snajder Filip Villilamz Ehldon Dzhr.	RU2249681C2
PROCEDURE AND DEVICE FOR INTRAWELL SELECTIVE COMMUNICATION BY MEANS OF FLUID MEDIUM	2007	Vesson Dehvid S. Dzhordzh Kevin R. Snajder Filip M.	RU2401936C1
PROCESS FOR PREVENTING OR REDUCING ABSORPTION FORMATION OF OIL-BEARING ROCK	1990	Robert D.Sajdansk[Us]	RU2057780C1
SYSTEMS, ASSEMBLIES AND METHODS FOR CONTROL OF TOOLS IN WELL BORE	2009	Snajder Filip M. Perkis Daniel G.	RU2495221C2

RU 2 150 567 C1

Authors

Kollinz Gari Zh

Trakhan Kevin O

Bauf Dzhon L

Dates

2000-06-10—Published

1996-09-05—Filed