Southwestern to probe Smackover Brown Dense lime

By OGJ editors

Southwestern Energy Co., Houston, said it has accumulated 460,000 net acres prospective for oil in Upper Jurassic Lower Smackover Brown Dense limestone along the Arkansas-Louisiana state line.

The unconventional play is the first the company has revealed publicly of several new ventures it has been pursuing the last 1-2 years and in which it holds a combined 835,000 net acres. The formation’s commerciality is still to be determined, Southwestern said.

Southwestern plans to spud its first horizontal well in the play, in Columbia County, Ark., just southwest of Atlanta and east of Dorcheat-Macedonia oil field, late in the third quarter of 2011. It is to have a 3,500-ft lateral at 8,900 ft true vertical depth.

The company wants to spud a second well later this year in Claiborne Parish, La., that would have a 6,000-ft lateral at 10,700 ft TVD.

The Brown Dense formation is 300-550 ft thick at 8,000-11,000 ft over a large area, said Southwestern, which has invested $150 million in undeveloped acreage. The leases have an average 82% net revenue interest and 4-year average primary lease term with 4-year extensions.

Southwestern said, “We extensively reviewed the Brown Dense across the region and have indications that the right mix of reservoir depth, thickness, porosity, matrix permeability, sealing formations, thermal maturity, and oil characteristics are found in the area of southern Arkansas and northern Louisiana.

“This region of Arkansas and Louisiana has produced oil and gas from the Upper Smackover since the 1920s. The Brown Dense formation is the source rock for these Upper Smackover fields. It has the critical properties necessary to be a successful play and compares favorably to other productive oil plays in the United States. However, it has never been exploited with horizontal drilling technology until now.”

Southwestern aims to drill as many as 10 more wells to test the geological concept in 2012 and if successful could greatly ramp up activity after that.

Southwestern didn’t disclose a map of its lease position, but the Brown Dense play appears to have little or no overlap with the Jurassic Haynesville play now prevalent in North Louisiana and Northeast Texas.

Related Articles

PwC: US oil, gas transaction value hits 10-year high in 3Q

10/29/2014 Driven by a rise in billion-dollar deals, midstream activity, and interest in upstream shale plays from foreign buyers, mergers and acquisitions in...

Williams Partners, Access Midstream Partners to merge

10/27/2014 Williams Partners LP and Access Midstream Partners LP, both owned by Williams Cos., Tulsa, have agreed to merge. Williams in June purchased the rem...

BHI: Permian, Eagle Ford help boost US rig count 9 units to 1,927

10/24/2014 The US drilling rig count gained 9 units to reach 1,927 rigs working during the week ended Oct. 24, boosted by gains in Texas, Baker Hughes Inc. re...

Shell expands leasehold position in Marcellus, Utica

10/16/2014 Royal Dutch Shell PLC has signed two separate deals that will enable it to exit its positions in the Haynesville shale and Pinedale field in exchan...

Freeport LNG supply header, compression trains advance

09/11/2014 Gulf South Pipeline Co. LP, a subsidiary of Boardwalk Pipeline Partners LP has reached 20-year firm precedent agreements with foundation shippers t...

Shell reshuffles US shale assets in two major deals

08/14/2014 Royal Dutch Shell PLC has agreed to two separate transactions in which it will exit its Pinedale and Haynesville onshore gas assets in exchange for...

MarkWest units announce capacities plans, update projects

08/07/2014 MarkWest Energy Partners LP, Denver, will add 720 MMcfd of natural gas processing capacity and 110,000 b/d of NGL fractionation capacity in seven p...

Vanguard to acquire Cotton Valley, East Haynesville acreage

08/04/2014 Vanguard Natural Resources LLC, Houston, has entered into a definitive agreement to acquire natural gas, natural gas liquids, and oil assets in Nor...

Algorithm provides new EUR estimates for US shale plays

08/04/2014 Since the early 2000s, US shale gas production has grown exponentially and reached a production level of 26 bcfd in 2013, 40% of total US gas outpu...

White Papers

AVEVA NET Accesses and Manages the Digital Asset

Global demand for new process plants, power plants and infrastructure is increasing steadily with the ...
Sponsored by

AVEVA’s Approach for the Digital Asset

To meet the requirements for leaner project execution and more efficient operations while transferring...
Sponsored by

Diversification - the technology aspects

In tough times, businesses seek to diversify into adjacent markets or to apply their skills and resour...
Sponsored by

Engineering & Design for Lean Construction

Modern marketing rhetoric claims that, in order to cut out expensive costs and reduce risks during the...
Sponsored by

Object Lessons - Why control of engineering design at the object level is essential for efficient project execution

Whatever the task, there is usually only one way to do it right and many more to do it wrong. In the c...
Sponsored by

Plant Design for Lean Construction - at your fingertips

One area which can provide improvements to the adoption of Lean principles is the application of mobil...
Sponsored by

How to Keep Your Mud System Vibrator Hose from Getting Hammered to Death

To prevent the vibrating hoses on your oilfield mud circulation systems from failing, you must examine...
Sponsored by

Duty of Care

Good corporate social responsibility means implementing effective workplace health and safety measures...
Sponsored by

Available Webcasts


On Demand

Optimizing your asset management practices to mitigate the effects of a down market

Thu, Dec 11, 2014

The oil and gas market is in constant flux, and as the price of BOE (Barrel of Oil Equivalent) goes down it is increasingly important to optimize your asset management strategy to stay afloat.  Attend this webinar to learn how developing a solid asset management plan can help your company mitigate costs in any market.

register:WEBCAST


Parylene Conformal Coatings for the Oil & Gas Industry

Thu, Nov 20, 2014

In this concise 30-minute webinar, participants have an opportunity to learn more about how Parylene coatings are applied, their features, and the value they add to devices and components.

register:WEBCAST


Utilizing Predictive Analytics to Optimize Productivity in Oil & Gas Operations

Tue, Nov 18, 2014

Join IBM on Tuesday, November 18 @ 1pm CST to explore how Predictive Analytics can help your organization maximize productivity, operational performance & associated processes to drive enterprise wide productivity and profitability.

register:WEBCAST


US HYDROCARBON EXPORTS Part 3 — LNG

Fri, Nov 14, 2014

US LNG Exports, the third in a trilogy of webcasts focusing on the broad topic of US Hydrocarbon Exports.

A discussion of the problems and potential for the export of US-produced liquefied natural gas.

These and other topics will be discussed, with the latest thoughts on U.S. LNG export policy.

register:WEBCAST


Careers at TOTAL

Careers at TOTAL - Videos

More than 600 job openings are now online, watch videos and learn more!

 

Click Here to Watch

Other Oil & Gas Industry Jobs

Search More Job Listings >>
Stay Connected