Houston-based Best Energy Services Inc., a well service/workover provider in the Hugoton Basin, said Dec. 23 it will open an office on Jan. 1 in South Texas to serve operators in the Eagle Ford Shale play.

Houston-based Petrohawk Energy Corp. said Dec. 23 it has completed the sale of its natural gas assets in the Fayetteville Shale, located primarily in Cleburne and Van Buren Counties, Arkansas, to XTO Energy Inc., a subsidiary of ExxonMobil, for $575 million.

Koch Pipeline Company LP will create the capacity to move an additional 120,000 barrels per day of Eagle Ford crude in late 2012. On Dec. 16, Koch received final shareholder approval to build a new pipeline into Karnes County, Texas.

Regency Energy Partners LP has announced a series of expansion projects along its rich gas gathering system in south Texas to meet increasing producer demand in the Eagle Ford Shale.

Houston-based Goodrich Petroleum recently announced results on its second Eagle Ford shale well, established a 2011 preliminary capital expenditure budget, and issued production guidance for 2011.

Velocity Midstream Partners LLC has begun construction on the initial 53 miles of its oil and condensate gathering system for Rosetta Resources Inc. and other producers in the liquids rich Eagle Ford Shale.

American Standard Energy Corp. has agreed to purchase additional Bakken and Three Forks acreage including partial interest in 26 additional gross wells, of which 15 are currently producing, 10 completing and one drilling.

Building on its strategy to target unconventional, liquids-rich resource plays, Marathon Oil Corp. has completed an agreement with Denali Oil & Gas for entry into the Eagle Ford Shale formation.

The energy law firm of Burleson Cooke has opened a new office in San Antonio that will focus on serving companies with interests in the Eagle Ford Shale play.

Plains Exploration & Production Co. (PXP) has closed its previously announced acquisition of interest in nearly 60,000 net acres in the oil and gas condensate window in the Eagle Ford shale play.

Chesapeake Energy Corp. and CNOOC Ltd. have closed on the project cooperation that gives CNOOC International Ltd. a 33.3% undivided interest in Chesapeake's 600,000 net oil and natural gas leasehold acres in the Eagle Ford Shale in South Texas.

Houston-based oil and gas producer Swift Energy has increased the size of its previously announced public offering and announced its preliminary 2011 capital expenditure plans.

eCORP International LLC has added Thomas G. Harris to the senior management team as COO and a member of the eCORP Board of Managers.