August 2011 Blog Posts (3)

Overburden Stress Shale Causes Stuck Pipe

Overburden stress increases over depth (the more a well is drilled, the more overburden stress will be seen). When mud weight is not enough to support the overburden, the stress from the overburden will create shale fractures which will fall down into the wellbore. Finally, shale fractures will pack the wellbore and cause a stuck pipe incident,

70 Overburden Stress Causes Stuck Pipe 1

70 Overburden Stress Causes Stuck Pipe 1

(Mud weight is high enough to overcome overburden stress.)…

Continue

Added by Rachain Jetjongjit on August 12, 2011 at 9:30am — 1 Comment

Geo-Pressured Shale Causes Stuck Pipe

Pore pressure in shale is more than hydrostatic pressure; however the well does not flow because shale is in permeable. While drilling through pressured shale formation, pressure in shale causes fractures of shale due to stress crack.

69 Geo Pressured Shale Causes Stuck Pipe 1

Shale finally falls into the well and results in stuck pipe incident.…

Continue

Added by Rachain Jetjongjit on August 11, 2011 at 8:30am — No Comments

"A Roughnecks Wife"

“A Roughneck Wife”

It’s his last day home…

The hitch begins tomorrow…

His days at home seem so short…

And I can feel the heartache coming just as it always does…

So I busy myself washin, packin up his clothes…

while the smell of oil base mud is fillin up our home…

It’s hard to keep my head up…

Cause tomorrow he’ll be gone…

but that Iron Horse is calling and it almost time to go…

I know it’s hard on him as well…

And I know he doesn’t… Continue

Added by Suzie Black on August 4, 2011 at 2:00pm — 10 Comments

Featured Oilfield Blogs

View All

Latest Blog Posts

Monthly Archives

2013

May (1)
April (5)
February (2)
January (2)

2012

November (5)
October (2)
August (1)
May (2)
April (1)
March (3)
February (1)
January (3)

2011

December (5)
November (8)
October (1)
September (3)
August (4)
July (8)
June (2)
May (6)
April (10)
March (5)
February (5)
January (6)

2010

December (9)
November (3)
October (1)
September (2)
August (10)
July (6)
June (11)
May (9)
April (1)
March (14)
February (12)
January (2)

2009

December (3)
November (4)
October (9)
September (4)
August (7)
July (8)
June (13)
May (9)
April (10)

AREA	LAST COUNT DATE	COUNT	CHANGE FROM PRIOR COUNT	DATE OF PRIOR COUNT	CHANGE FROM LAST YEAR	DATE OF LAST YEARS COUNT
UNITED STATES	5/17/13	1769	+0	5/10/13	-217	5/18/12
CANADA	5/17/13	118	+5	5/10/13	0	5/18/12
USA OFFSHORE	5/17/13	52	+2	5/10/13	+5	5/18/12
INTERNATIONAL	04/2013	1301	+33	3/2013	+123	4/2012

Recent Rotary Rig Count May 17th, 2013