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"GRADISHAR, JOHN ROBERT"
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"GRADISHAR, JOHN ROBERT"
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METHOD OF CONTROLLING PRESSURE IN A WELL
by
GRADISHAR JOHN ROBERT
Year of Publication
02.05.2013
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CURVED STRUCTURAL PIPE SHOE
by
GRADISHAR JOHN ROBERT
,
SORGARD EIRIK
Year of Publication
27.10.2011
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RETRACTABLE JOINT AND CEMENTING SHOE FOR USE IN COMPLETING A WELLBORE
by
JORDAN, JOHN CHRISTOPHER
,
GASPARD, GREGORY GERARD
,
GRADISHAR
,
JOHN ROBERT
,
GALLOWAY, GREGORY G
,
COLVARD, R.L
,
LIRETTE, BRENT
,
BRUNNERT, DAVID J
,
MARTENS, JAMES G
Year of Publication
29.07.2014
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RETRACTABLE JOINT AND CEMENTING SHOE FOR USE IN COMPLETING A WELLBORE
by
GASPARD, GREGORY GERARD
,
GRADISHAR
,
JOHN ROBERT
,
GALLOWAY, GREGORY G
,
COLVARD, R.L
,
LIRETTE, BRENT
,
BRUNNERT, DAVID J
,
JORDON, JOHN CHRISTOPHER
,
MARTENS, JAMES G
Year of Publication
15.11.2011
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Retractable joint and cementing shoe for use in completing a wellbore
by
JORDAN JOHN CHRISTOPHER
,
GALLOWAY GREGORY GUY
,
BRUNNERT DAVID J
,
LIRETTE BRENT J
,
GASPARD GREGORY GERARD
,
COLVARD R. LEE
,
GRADISHAR JOHN ROBERT
,
MARTENS JAMES G
Year of Publication
08.06.2010
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Retractable joint and cementing shoe for use in completing a wellbore
by
Jordan, John Christopher
,
Martens, James G
,
Colvard, R. Lee
,
Lirette, Brent J
,
Galloway, Gregory Guy
,
Brunnert, David J
,
Gaspard, Gregory Gerard
,
Gradishar
,
John Robert
Year of Publication
08.06.2010
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RETRACTABLE JOINT AND CEMENTING SHOE FOR USE IN COMPLETING A WELLBORE
by
GASPARD, GREGORY GERARD
,
GRADISHAR
,
JOHN ROBERT
,
GALLOWAY, GREGORY G
,
COLVARD, R.L
,
LIRETTE, BRENT
,
BRUNNERT, DAVID J
,
JORDON, JOHN CHRISTOPHER
,
MARTENS, JAMES G
Year of Publication
20.11.2006
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RETRACTABLE JOINT AND CEMENTING SHOE FOR USE IN COMPLETING A WELLBORE
by
JORDAN, JOHN CHRISTOPHER
,
GASPARD, GREGORY GERARD
,
GRADISHAR
,
JOHN ROBERT
,
GALLOWAY, GREGORY G
,
COLVARD, R.L
,
LIRETTE, BRENT
,
BRUNNERT, DAVID J
,
MARTENS, JAMES G
Year of Publication
20.11.2006
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Patent
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Format
Patent
8 results
8
Subject Area
chemistry
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7
medicine
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sciences
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Topic
earth drilling
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earth drilling, e.g. deep drilling
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fixed constructions
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mining
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obtaining oil, gas, water, soluble or meltable materials or aslurry of minerals from wells
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French
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esp@cenet
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7
USPTO Issued Patents
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