The capability of healthy gas wells in a Marcellus Shale and a adjacent Utica Shale is usually augmenting since of ongoing improvements in pointing and potency of plane drilling and hydraulic fracturing occurring in those regions. Since Jan 2012, healthy gas prolongation in a Marcellus and Utica regions has accounted for 85% of a boost in healthy gas prolongation reported in EIA’s Drilling Productivity Report (DPR) and has driven new expansion in sum U.S. healthy gas production.
The DPR provides a month-ahead projection of both oil and healthy gas prolongation for a 7 many poignant shale formations in a United States. Although a DPR regions are grouped according to a name of a accepted shale formation, a news analyzes all drilling and prolongation within any geographic area. In practice, this means healthy gas prolongation activity in a Marcellus region, that includes Pennsylvania and West Virginia, encompasses not usually a Marcellus formation, though also portions of a Utica shale and required formations that lay underneath those states. The Utica DPR region, that includes resources that lay underneath Ohio, includes prolongation from a bulk of a Utica arrangement as good as prolongation from a Point Pleasant shale arrangement and (to a obtuse extent) required resources.
The DPR identifies trends in sum prolongation and supply productivity, voiced as new-well gas prolongation per rig. The Jul book of a DPR remarkable that normal new-well gas prolongation per supply in a Marcellus segment was 3.2 million cubic feet of healthy gas per day (MMcf/d) in Jan 2012. In Jul 2015, new-well gas prolongation per supply augmenting to 8.3 MMcf/d. This trend corresponded with an altogether boost in a volume of healthy gas constructed in a Marcellus segment during a same period. The DPR also indicates that a Marcellus segment constructed an estimated 6.3 billion cubic feet of healthy gas per day (Bcf/d) in Jan 2012, augmenting to 16.5 Bcf/d in Jul 2015.
The Utica segment also gifted poignant gains in supply capability and production. In Jan 2012, new-well gas prolongation per supply in a Utica segment averaged 0.31 MMcf/d. Jul 2015 new-well gas prolongation per supply is 6.9 MMcf/d. The DPR also indicates that a region’s sum healthy gas prolongation augmenting fast over a same period: prolongation in Jul 2015 was roughly 18 times aloft than in Jan 2013 (2.6 Bcf/d and 0.15 Bcf/d, respectively).
Increases in healthy gas prolongation from these regions occurred since of many factors, including:
- Greater use of modernized drilling techniques
- Increased series of stages used in hydraulic fracturing operations
- Increased use of techniques such as zipper fracturing (simultaneous fracturing of particular stages of dual together plane wells)
- Use of specific components during good execution that assist in augmenting detonate distance and porosity of a geologic arrangement being targeted
EIA’s latest information uncover that healthy gas constructed from U.S. shale basins now accounts for 56% of U.S. dry healthy gas production. Collectively, shale gas prolongation from a Marcellus and Utica regions augmenting by 12.6 Bcf/d from Jan 2012 to Jun 2015, creation these regions a pushing army behind altogether U.S. healthy gas prolongation growth.