Explorer

Williams Cos., which is both an explorer and midstream operator in the Marcellus Shale, last week agreed to pay $501 million in cash to add 42,000 net acres to its leasehold in Susquehanna County, PA.

Onshore explorer Petrohawk Energy Corp. last week agreed to sell a half interest in its Haynesville Shale gathering and processing business in northwest Louisiana to Kinder Morgan Energy Partners LP (KMP) for $875 million in a transaction that would create the largest gathering and midstream business in the prolific gas shale.

Onshore explorer Petrohawk Energy Corp. on Tuesday agreed to sell a half interest in its Haynesville Shale gathering and processing business in northwest Louisiana to Kinder Morgan Energy Partners LP (KMP) for $875 million in a transaction that would create the largest Haynesville gathering and midstream business.

Onshore explorer Petrohawk Energy Corp. on Tuesday agreed to sell a half interest in its Haynesville Shale gathering and processing business in northwest Louisiana to Kinder Morgan Energy Partners LP (KMP) for $875 million in a transaction that would create the largest Haynesville gathering and midstream business.

Houston-based Quantum Resources Management LLC (QRM), a privately held explorer based in Houston, agreed to pay Denbury Resources Inc. $900 million to acquire a package of natural gas-weighted assets in the Permian Basin of West Texas and southeastern new Mexico; the Anadarko Basin of Oklahoma, Texas and Kansas; and in East Texas.

Houston-based Quantum Resources Management LLC (QRM), a privately held explorer based in Houston, agreed to pay Denbury Resources Inc. $900 million to acquire a package of natural gas-weighted assets in the Permian Basin of West Texas and southeastern new Mexico; the Anadarko Basin of Oklahoma, Texas and Kansas; and in East Texas.

Carrizo Oil & Gas Inc. finished 2009 with its proven reserves up 20% year/year (y/y) to a record 601.9 Bcf from 502.6 Bcf, the Houston-based explorer said Wednesday. Almost 97% of the quarterly and year-end production was natural gas, Carrizo said.

Carrizo Oil & Gas Inc. finished 2009 with its proven reserves up 20% year/year (y/y) to a record 601.9 Bcf from 502.6 Bcf, the Houston-based explorer said Wednesday. Almost 97% of the quarterly and year-end production was natural gas, Carrizo said.

Rocky Mountain natural gas explorer Bill Barrett Corp. (BBG) reported Thursday that its proved reserves last year jumped 18% while production grew 16% from 2008.