Spraberry Trend resource estimate up sharply

By OGJ editors
HOUSTON, Apr. 10 -- Pioneer Natural Resources Co., Dallas, estimated that its properties in the Spraberry Trend in West Texas contain 1 billion boe of net resource potential in addition to the 481 million boe of proved reserves the company had booked at the end of 2007.

Pioneer, which plans to accelerate drilling in the giant field in 2009, estimated it has a drilling inventory of 19,000 locations. It is the field's largest driller and producer with 869,000 acres more than 75% held by production, 5,300 active wells, and 16 rigs running.

The 1 billion boe of further net resource potential includes 200 million boe of resource potential, beyond the 248 million boe of proved undeveloped reserves already booked, related to Spraberry formation development on 40-acre spacing with deeper Wolfcamp drilling where applicable; 500 million boe related to 9,500 highgraded 20-acre infill locations; and 300 million boe related to waterflooding selected areas.

Production history suggests that 20-acre infill wells can be expected to recover 75-80% of the reserves being recovered by 40-acre wells, Pioneer said. The company drilled four successful 20-acre infill wells in the 2008 first quarter and plans 20-25 more this year.

Ten waterfloods have recovered 82 million bbl of oil, and their histories suggest that "secondary waterfloods" where appropriate can be expected to recover a further 50% of the reserves recovered under primary recovery, the company said.

Pioneer estimated that 40% of its Spraberry acreage has waterflood potential and plans to begin a large-scale waterflood program in 2009. It also sees substantial upside from completion technology advances and plans to frac five previously drilled horizontal wells with isolation packers.

Pioneer expects to add 250 million boe of proved reserves in the next 5 years and average 15% compounded annual production growth from the field through 2011. It foresees before-tax internal return rates for 40-acre and 20-acre wells of 50% and 40%, respectively, at $95/bbl.

The company information is derived from a comprehensive 2007 study by Pioneer's Permian Basin asset team that found the field to have contained more than 30 billion boe of original oil in place with estimated ultimate recovery of 3.5 billion boe (OGJ, Apr. 27, 2006, p. 30).

The study indicated that primary recovery is 12-13% on 40-acre spacing with the potential to increase 6 percentage points with 20-acre infill drilling and 9 percentage points more with waterflooding.

Related Articles

PNR, Reliance seek divestment of Eagle Ford midstream business

11/04/2014 Pioneer Natural Resources Co. (PNR), Dallas, and Reliance Holding USA Inc. are pursuing the divestment of their Eagle Ford shale (EFS) Midstream bu...

PNR head urges DOC to issue condensate export permits to others

10/15/2014 The head of an independent oil and gas company that in late June received one of the first two federal approvals to export condensate urged the US ...

Linn completes acquisition of Pioneer’s Hugoton assets

09/11/2014 Linn Energy LLC, Houston, has closed on its purchase of Hugoton field assets in Kansas from Pioneer Natural Resources Co., Dallas, for cash proceed...

PNR closes sale of Alaska subsidiary

04/16/2014 Pioneer Natural Resources Co. (PNR), Dallas, has completed the sale of its subsidiary Natural Resources Alaska Inc. to Caelus Energy Alaska LLC, Da...

PNR reports $3.3 billion capex plan for 2014

02/11/2014 Pioneer Natural Resources Co. (PNR), Dallas, reported capital expenditure plans of $3.3 billion for 2014, $2.2 billion of which to be used to targe...

Pioneer to sell Alaska subsidiary for $550 million

10/25/2013 Dallas-based independent Pioneer Natural Resources Co. has agreed to sell its equity in subsidiary Natural Resources Alaska Inc. to privately held ...

Successes mount in Eagle Ford shale play

11/25/2009 Texon Petroleum Ltd., Brisbane, reported logging 142 ft of potential pay in Cretaceous Eagle Ford after deepening a vertical well completed in Cret...

PNR sells Spraberry properties to Pioneer Southwest

09/02/2009 Pioneer Natural Resources Co., Dallas, has sold oil and gas properties in the Spraberry field in West Texas to Pioneer Southwest Energy Partners LP...

Pioneer drilling lateral in Eagle Ford shale

12/10/2008 Pioneer Natural Resources Inc., Dallas, is drilling the horizontal leg in Cretaceous Eagle Ford shale at an exploratory well in DeWitt County, Tex.

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