JetStream was recently used in a 6.5-in. intermediate section in the North Sea that was drilled to 10,446 ft total depth through soft, porous limestone.

Shell, drilling, offshore, Arctic, Alaska, Burger, exploration

Shell has spent about $7 billion on exploration in the waters off Alaska so far and said it could take a hit of up to $4.1 billion for pulling out of the Chukchi Sea for the "foreseeable future".

China’s COSL will use the Nanhai-9 rig to drill two exploration oil wells in water depths less than 150m in the Sea of Okhotsk in 2016, Reuters said. 

Schlumberger, Cameron, OneSubsea, merger, Paal Gibsgaard, Jack Moore, oil, gas, services, oilfield

Top executives believe the merger creates growth opportunities that could lead to a common operating system for both the surface and subsurface, while expanding Cameron’s presence worldwide.

Shale producers can save 30% of the drilling cost with walking rigs, which can move from one wellbore to another--10 meters in less than an hour, Reuters said.

The deployment of the $1 billion deepwater rig last year about 120 nautical miles off Vietnam's coast, in what Vietnam considers its exclusive economic zone (EEZ), led to the worst breakdown in relations since a brief border war in 1979.

Rigs were added in formations including the Williston Basin, where three were brought online and the Granite Wash, where one was added. Two rigs were removed in the Permian Basin, which has seen a pick-up in recent weeks.

Warro Field is 200 kilometers north of Perth and 30 kilometers from the Dampier Bunbury Natural Gas and Parmelia pipelines. Wells could cost $30 million to $40 million.

Total, an operator of the offshore Han Asparuh 1-21 block along with OMV and Spain's Repsol, had postponed drilling there due to the fall in oil prices, Reuters said.

The worldwide rig count for July 2015 was 2,167, up 31 from the 2,136 counted in June 2015, and down 1,441 from the 3,608 counted in July 2014, Baker Hughes Inc. (NYSE:BHI) said in a news release.

Where ACTIVATE has been used, operators see about an 80% increase in EUR per well and a 66% reduction in cost per barrel of oil equivalent from refracked wells verus new wells, Halliburton said in a news release.

For about US$523 million, Maersk Drilling extended contract with BP to operate NA Heydar Aliyev drilling rig in Shah Deniz natural gas field in the Caspian Sea until May 2021.