Barnett Shale

Barnett Shale Description Image

The Barnett shale in north-central Texas lies in the Fort Worth Basin. Discovered in the 1950s, the Barnett was not commercially viable until the 1980s. Some geologists believe the formation could hold 30 trillion cubic feet of natural gas. A significant part of the drilling has occurred in the Fort Worth metro area, and Chesapeake Energy actually secured rights to drill beneath the Dallas-Fort Worth International Airport.

Drilling in the Barnett shale intensified in the past decade as modern horizontal drilling and hydraulic fracturing techniques were perfected for drilling in shale. Devon Energy, Chesapeake Energy, XTO Energy, and EOG Resources are among the larger players in the Barnett shale. Two years ago, 70% of all US gas shale production came from the Barnett, but that percentage of the total has been declining as production has risen in other plays.

Barnett Shale Map

Barnett Shale News

Worldwide E&P spending expected to jump sharply in 2001

Jan 8, 2001 Worldwide spending on exploration and production of oil and natural gas will jump more than 19% next year, based on what Lehman Bros. called "the largest, most comprehensive study ever" of capital spending plans by independent and integrated operators.

OGJ Newsletter

Sep 11, 2000 $5/Mcf gas looms as US heat wave hampers gas injection
The surge in US cooling load demand as temperatures routinely topped 100° F. across much of the Sun Belt last week has weakened natural gas storage injections at a time when the pace of storage refill needs to remain robust if the Nov. 1 heating season onset target of 3 tcf is to be met.

Mitchell opts to go it alone as niche gas player

Aug 28, 2000 Unlike many other US independent producers these days, Mitchell Energy & Development Corp., The Woodlands, Tex., has resisted the urge to merge and has decided to go it alone as a niche player in the US natural gas market.

Operators detail upstream spending plans

May 8, 2000 With the rebound in oil and gas prices, US companies are continuing to increase spending for upstream operations for the coming year.

Area Drilling

Mar 20, 2000 Mera Petroleums Inc. and Millennium Energy Inc., Calgary, began reviewing seismic data on the 332,800-acre Salinas block in the Guajira basin granted under new fiscal terms.

Waterfracs prove successful in some Texas basins

Mar 20, 2000 Several operators have found that waterfracs with minimal proppants effectively stimulate low-permeability gas formations in several Texas basins.

Area Drilling

Jan 3, 2000 An ARCO group is drilling Semhari East-1 on the 788,000 acre Hassi Bir Rekaiz block in the northern Ghadames basin 60 miles northeast of giant Rhourde el Baguel oil field.

Mitchell hikes Barnett shale reserves, Fort Worth basin output in N. Texas

Sep 27, 1999 Mitchell Energy & Development Corp., The Woodlands, Tex., is quickening recompletion and drilling programs aimed at gas in low permeability Mississippian Barnett shale in the Fort Worth basin in North Texas.

Area Drilling

Jun 21, 1999 Red Sea Oil Corp. and Lundin Oil AB plan to start production from En Naga North and West fields on NC 177 in the southern Sirte basin within 12 months after approval of a development plan. The firms filed the plan with a management committee controlled by Libyan National Oil Co. Peak production is estimated at 22,000 b/d 24 months after start-up (OGJ, Dec. 14, 1998, p. 88). The firms will continue exploring the block using $43.6 million (Canadian) raised in a rights offering, with C1-NC 177 to

Use resistivity as indicator of source rock maturity

May 10, 1999 The resistivity of various shale source rocks has been observed to increase with depth (Bakken, Barnett, Mowry, Niobrara, Woodford, etc.). This relationship can be explained by the retention of generated hydrocarbons in micropores. The generalized process requires: 1) a volume increase during conversion of kerogen to fluid hydrocarbons; 2) a rigid framework that provides a fixed volume of available pore space, and 3) micropores with micropermeability that retain hydrocarbon globules through

Fort Worth basin operator to add Barnett shale infill wells, reserves

Jan 4, 1999 An independent producer plans to develop more gas in Mississippian-Devonian Barnett shale in the Fort Worth basin. The Texas Railroad Commission approved field rule amendments that will allow increased well density in the formation. Mitchell Energy & Development Corp. said the rules permit it to drill wells in Newark East field on as little as 40 acre spacing. Mitchell expects that as many as 100 wells with a combined 80 bcf of estimated net gas reserves will be added to the proved undeveloped

Potential seen in areas off Northwest, Southeast Australia

Nov 24, 1997 Effective with its 1997 release of offshore acreage, Australia launched a new system of offering two groups of areas with different closing dates. In the group for which bids close in March 1998: The Browse basin, which has supergiant gas reserves and now the major Cornea oil discovery, has the potential for more major discoveries in moderate to deep water between the petroleum kitchens and basin margin fields; Elsewhere, shallow water, underexplored parts of the oil productive Bonaparte basin

API May U.S. well completions

Jul 7, 1997 API May U.S. well completions [19361 bytes] Oil Industries & Engineering Co. of Iran with 10% and PetroFina SA of Belgium with 5% have joined a group that plans to explore and develop the Lenkoran and Talysh structures in the Caspian Sea (see map, OGJ, Jan. 20, 1997, p. 31). The Elf Aquitaine led group also includes State Oil Co. of the Azerbaijan Republic and units of Total and Deminex. Esso Norge AS has a Paleocene discovery at its 100% owned Forseti prospect 4 miles north of Balder field in

EXPLORATION New basins invigorate U.S. gas shales play

Jan 22, 1996 Scott R. Reeves Vello A. Kuuskraa Advanced Resources International Inc. Arlington, Va. David G. Hill Gas Research Institute Chicago While actually the first and oldest of unconventional gas plays, gas shales have lagged the other main unconventional gas resources-tight gas and coabed methane-in production and proved reserves. Recently, however, with active drilling of the Antrim shales in Michigan and promising results from the Barnett shales of North Texas, this gas play is growing in

Mitchell to hike gas production in North Texas

Oct 2, 1995 Mitchell Energy & Development Corp., The Woodlands, Tex., plans to boost its North Texas gas production by 25-30 MMcfd during the next 12 months from 100 MMcfd earlier this year. Its program involves placing spare productive capacity on line, stepping up the pace of well completions, increasing deliverability in gathering systems, and serving more gas markets in the area. The program stems from Mitchell's buyout last July of a premium priced gas sales contract with Natural Gas Pipeline Co.
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