US EIA Drilling Productivity Report - July 2014

Independent Statistics & Analysis
Drilling Productivity Report
The six regions analyzed in this report accounted for 95% of domestic oil production growth and
all domestic natural gas production growth during 2011-13.
July 2014
For key tight oil and shale gas regions
U.S. Energy Information
Administration
Contents
Year-over-year summary 2
Bakken 3
Eagle Ford 4
Haynesville 5
Marcellus 6
Niobrara 7
Permian 8
Explanatory notes 9
Sources 10
Bakken
Marcellus
Niobrara
Haynesville
Eagle Ford
Permian

U. S. Energy Information Administration | Drilling Productivity Report
0
400
800
1,200
1,600
2,000
2,400
Bakken Eagle Ford Haynesville Marcellus Niobrara Permian
August-2013 August-2014
Oil production
thousand barrels/day
0
2,000
4,000
6,000
8,000
10,000
12,000
14,000
16,000
Natural gas production
million cubic feet/day
0
250
500
750
1,000
1,250
New-well oil production per rig
barrels/day
0
1,000
2,000
3,000
4,000
5,000
6,000
7,000
New-well gas production per rig
thousand cubic feet/day
(700)
(600)
(500)
(400)
(300)
(200)
(100)
0
Legacy gas production change
(125)
(100)
(75)
(50)
(25)
0
Legacy oil production change
drilling data through June projected
production through August
July 2014
Year-over-year summary
0
5
10
15
20
25
30
35
40
45
Indicated monthly change in oil production (Aug vs. Jul)
-300
-200
-100
0
100
200
300
Indicated monthly change in gas production (Aug vs. Jul)
2

0
200
400
600
800
1,000
1,200
2007 2008 2009 2010 2011 2012 2013 2014
Oil production
Bakken
0
50
100
Jul
1,095
Mbbl/d
Production
from
new wells
Legacy
production
change
Net
change
Aug
1,112
Mbbl/d
Bakken
+90 -73 +17
Indicated change in oil production (Aug vs. Jul)
0
50
100
Jul
1,299
MMcf/d
Production
from
new wells
Legacy
production
change
Net
change
Aug
1,319
MMcf/d
Indicated change in natural gas production (Aug vs. Jul)
Bakken
+92 -72 +20
0
50
100
150
200
250
0
100
200
300
400
500
600
2007 2008 2009 2010 2011 2012 2013 2014
new-well oil production per rig
rig count
barrels/day
Bakken
Rig count
rigs
(80)
(70)
(60)
(50)
(40)
(30)
(20)
(10)
0
2007 2008 2009 2010 2011 2012 2013 2014
Bakken
(80)
(70)
(60)
(50)
(40)
(30)
(20)
(10)
0
2007 2008 2009 2010 2011 2012 2013 2014
BakkenBakken
0
1,000
2,000
3,000
4,000
5,000
6,000
7,000
2007 2008 2009 2010 2011 2012 2013 2014
Bakken
0
50
100
150
200
250
0
600
1,200
1,800
2,400
3,000
3,600
2007 2008 2009 2010 2011 2012 2013 2014
new-well gas production per rig
rig count
Bakken
Rig count
rigs
July 2014
Monthly
additions
from one
average rig
August
barrels/day
July
barrels/day
month over month
Oil
+6
Gas
month over month
+8
Bakken
month over month
527August
July 519
516
510
month over month
Oil +17 Gas +20
3

0
200
400
600
800
1,000
1,200
1,400
1,600
2007 2008 2009 2010 2011 2012 2013 2014
Oil production
Eagle Ford
0
50
100
150
Jul
1,429
Mbbl/d
Production
from
new wells
Legacy
production
change
Net
change
Aug
1,454
Mbbl/d
Eagle Ford
+140 -115 +25
0
100
200
300
400
Jul
6,431
MMcf/d
Production
from
new wells
Legacy
production
change
Net
change
Aug
6,510
MMcf/d
Eagle Ford
+378 -299 +79
0
50
100
150
200
250
300
350
0
100
200
300
400
500
600
2007 2008 2009 2010 2011 2012 2013 2014
rig count
barrels/day
Eagle Ford
Rig count
rigs
(140)
(120)
(100)
(80)
(60)
(40)
(20)
0
2007 2008 2009 2010 2011 2012 2013 2014
Eagle Ford
(350)
(300)
(250)
(200)
(150)
(100)
(50)
0
2007 2008 2009 2010 2011 2012 2013 2014
Eagle FordEagle Ford
0
1,000
2,000
3,000
4,000
5,000
6,000
7,000
2007 2008 2009 2010 2011 2012 2013 2014
Eagle Ford
0
50
100
150
200
250
300
350
0
600
1,200
1,800
2,400
3,000
3,600
2007 2008 2009 2010 2011 2012 2013 2014
rig count
Eagle Ford
Rig count
rigs
July 2014
Monthly
additions
from one
average rig
August
barrels/day
July
barrels/day
month over month
Oil
+4
Gas
month over month
+13
Eagle Ford
month over month
1,307August
July 1,294
483
479
month over month
Oil +25 Gas +79
4

barrels/day
0
400
800
1,200
1,600
2,000
2007 2008 2009 2010 2011 2012 2013 2014
Oil production
Haynesville
0.0
1.0
2.0
3.0
Jul
54
Mbbl/d
Production
from
new wells
Legacy
production
change
Net
change
Aug
54
Mbbl/d
Haynesville
+1 -1 +0
-150
-50
50
150
250
350
Jul
6,734
MMcf/d
Production
from
new wells
Legacy
production
change
Net
change
Aug
6,735
MMcf/d
Haynesville
+266 -265 +1
0
50
100
150
200
250
300
0
200
400
600
800
1,000
2007 2008 2009 2010 2011 2012 2013 2014
rig count
barrels/day
Haynesville
Rig count
rigs
(3)
(2)
(1)
0
2007 2008 2009 2010 2011 2012 2013 2014
Haynesville
(600)
(500)
(400)
(300)
(200)
(100)
0
2007 2008 2009 2010 2011 2012 2013 2014
HaynesvilleHaynesville
0
2,000
4,000
6,000
8,000
10,000
12,000
2007 2008 2009 2010 2011 2012 2013 2014
Haynesville
0
50
100
150
200
250
300
0
1,000
2,000
3,000
4,000
5,000
6,000
2007 2008 2009 2010 2011 2012 2013 2014
rig count
Haynesville
Rig count
rigs
July 2014
Monthly
additions
from one
average rig
August
July
barrels/day
month over month
Oil
0
Gas
month over month
+82
Haynesville
month over month
5,402August
July 5,320
23
23
month over month
Oil +0 Gas +1
5

Marcellus
0
400
800
1,200
1,600
2,000
2007 2008 2009 2010 2011 2012 2013 2014
Oil production
Marcellus
0.0
1.0
2.0
3.0
4.0
Jul
42
Mbbl/d
Production
from
new wells
Legacy
production
change
Net
change
Aug
43
Mbbl/d
Marcellus
+3 -2 +1
0
200
400
600
Jul
15,235
MMcf/d
Production
from
new wells
Legacy
production
change
Net
change
Aug
15,482
MMcf/d
Marcellus
+642 -395 +247
0
20
40
60
80
100
120
140
160
0
200
400
600
800
1,000
1,200
2007 2008 2009 2010 2011 2012 2013 2014
rig count
barrels/day
Marcellus
Rig count
rigs
(3)
(2)
(1)
0
2007 2008 2009 2010 2011 2012 2013 2014
Marcellus
(500)
(400)
(300)
(200)
(100)
0
2007 2008 2009 2010 2011 2012 2013 2014
MarcellusMarcellus
0
2,000
4,000
6,000
8,000
10,000
12,000
14,000
16,000
18,000
2007 2008 2009 2010 2011 2012 2013 2014
Marcellus
0
20
40
60
80
100
120
140
160
0
1,200
2,400
3,600
4,800
6,000
7,200
2007 2008 2009 2010 2011 2012 2013 2014
rig count
Marcellus
Rig count
rigs
July 2014
Monthly
additions
from one
average rig
August
barrels/day
July
barrels/day
month over month
Oil
0
Gas
month over month
+46
month over month
6,598August
July 6,552
30
30
month over month
Oil +1 Gas +247
6

0
200
400
600
800
1,000
2007 2008 2009 2010 2011 2012 2013 2014
Oil production
Niobrara
0
10
20
30
40
Jul
345
Mbbl/d
Production
from
new wells
Legacy
production
change
Net
change
Aug
352
Mbbl/d
Niobrara
+37 -30 +7
0
50
100
150
200
Jul
4,443
MMcf/d
Production
from
new wells
Legacy
production
change
Net
change
Aug
4,465
MMcf/d
Niobrara
+161 -139 +22
0
20
40
60
80
100
120
140
0
100
200
300
400
500
600
2007 2008 2009 2010 2011 2012 2013 2014
rig count
barrels/day
Niobrara
Rig count
rigs
(35)
(30)
(25)
(20)
(15)
(10)
(5)
0
2007 2008 2009 2010 2011 2012 2013 2014
Niobrara
(160)
(140)
(120)
(100)
(80)
(60)
(40)
(20)
0
2007 2008 2009 2010 2011 2012 2013 2014
NiobraraNiobrara
0
1,000
2,000
3,000
4,000
5,000
6,000
2007 2008 2009 2010 2011 2012 2013 2014
Niobrara
0
20
40
60
80
100
120
140
0
600
1,200
1,800
2,400
3,000
3,600
2007 2008 2009 2010 2011 2012 2013 2014
rig count
Niobrara
Rig count
rigs
July 2014
Monthly
additions
from one
average rig
August
barrels/day
July
barrels/day
month over month
Oil
+8
Gas
month over month
+26
Niobrara
month over month
1,648August
July 1,622
380
372
month over month
Oil +7 Gas +22
7

0
200
400
600
800
1,000
1,200
1,400
1,600
1,800
2007 2008 2009 2010 2011 2012 2013 2014
Oil production
Permian
0
20
40
60
80
100
Jul
1,601
Mbbl/d
Production
from
new wells
Legacy
production
change
Net
change
Aug
1,631
Mbbl/d
Permian
+83 -53 +30
0
30
60
90
120
150
180
Jul
5,578
MMcf/d
Production
from
new wells
Legacy
production
change
Net
change
Aug
5,634
MMcf/d
Permian
+165 -109 +56
0
100
200
300
400
500
600
0
100
200
300
400
500
600
2007 2008 2009 2010 2011 2012 2013 2014
rig count
barrels/day
Permian
Rig count
rigs
(60)
(50)
(40)
(30)
(20)
(10)
0
2007 2008 2009 2010 2011 2012 2013 2014
Permian
(140)
(120)
(100)
(80)
(60)
(40)
(20)
0
2007 2008 2009 2010 2011 2012 2013 2014
PermianPermian
0
1,000
2,000
3,000
4,000
5,000
6,000
7,000
8,000
2007 2008 2009 2010 2011 2012 2013 2014
Permian
0
100
200
300
400
500
600
0
600
1,200
1,800
2,400
3,000
3,600
2007 2008 2009 2010 2011 2012 2013 2014
rig count
Permian
Rig count
rigs
July 2014
Monthly
additions
from one
average rig
August
barrels/day
July
barrels/day
month over month
Oil
+2
Gas
month over month
+3
Permian
month over month
301August
July 298
150
148
month over month
Oil +30 Gas +56
8

July 2014Explanatory notes
The Drilling Productivity Report uses recent data on the total number of drilling rigs in operation along
with estimates of drilling productivity and estimated changes in production from existing oil and natural
gas wells to provide estimated changes in oil1 and natural gas2 production for six key regions. EIA’s
approach does not distinguish between oil-directed rigs and gas-directed rigs because once a well is
completed it may produce both oil and gas; more than half of the wells do that.
Monthly additions from one average rig
Monthly additions from one average rig represent EIA’s estimate of an average rig’s3 contribution to
production of oil and natural gas from new wells.4 The estimation of new-well production per rig uses
several months of recent historical data on total production from new wells for each field divided by the
region's monthly rig count, lagged by two months.5 Current- and next-month values are listed on the top
header. The month-over-month change is listed alongside, with +/- signs and color-coded arrows to
highlight the growth or decline in oil (brown) or natural gas (blue).
New-well oil/gas production per rig
Charts present historical estimated monthly additions from one average rig coupled with the number of
total drilling rigs as reported by Baker Hughes.
Legacy oil and natural gas production change
Charts present EIA’s estimates of total oil and gas production changes from all the wells other than the
new wells. The trend is dominated by the well depletion rates, but other circumstances can influence the
direction of the change. For example, well freeze-offs or hurricanes can cause production to significantly
decline in any given month, resulting in a production increase the next month when production simply
returns to normal levels.
Projected change in monthly oil/gas production
Charts present the combined effects of new-well production and changes to legacy production. Total
new-well production is offset by the anticipated change in legacy production to derive the net change in
production. The estimated change in production does not reflect external circumstances that can affect
the actual rates, such as infrastructure constraints, bad weather, or shut-ins based on environmental or
economic issues.
Oil/gas production
Charts present all oil and natural gas production from both new and legacy wells since 2007. This
production is based on all wells reported to the state oil and gas agencies. Where state data are not
immediately available, EIA estimates the production based on estimated changes in new-well oil/gas
production and the corresponding legacy change.
Footnotes:
1. Oil production represents both crude and condensate production from all formations in the region. Production is
not limited to tight formations. The regions are defined by all selected counties, which include areas outside of
tight oil formations.
2. Gas production represents gross (before processing) gas production from all formations in the region.
Production is not limited to shale formations. The regions are defined by all selected counties, which include
areas outside of shale formations.
3. The monthly average rig count used in this report is calculated from weekly data on total oil and gas rigs
reported by Baker Hughes.
4. A new well is defined as one that began producing for the first time in the previous month. Each well belongs to
the new-well category for only one month. Reworked and recompleted wells are excluded from the calculation.
5. Rig count data lag production data because EIA has observed that the best predictor of the number of new
wells beginning production in a given month is the count of rigs in operation two months earlier.
9

July 2014Sources
The data used in the preparation of this report come from the following sources. EIA is solely
responsible for the analysis, calculations, and conclusions.
Drilling Info (http://www.drillinginfo.com) Source of production, permit, and spud data for counties
associated with this report. Source of real-time rig location to estimate new wells spudded and completed
throughout the United States.
Baker Hughes (http://www.bakerhughes.com) Source of rig and well counts by county, state, and basin.
North Dakota Oil and Gas Division (https://www.dmr.nd.gov/oilgas) Source of well production, permit,
and completion data in the counties associated with this report in North Dakota
Railroad Commission of Texas (http://www.rrc.state.tx.us) Source of well production, permit, and
completion data in the counties associated with this report in Texas
Pennsylvania Department of Environmental Protection
(https://www.paoilandgasreporting.state.pa.us/publicreports/Modules/Welcome/Welcome.aspx) Source
of well production, permit, and completion data in the counties associated with this report in
Pennsylvania
West Virginia Department of Environmental Protection (http://www.dep.wv.gov/oil-and-
gas/Pages/default.aspx) Source of well production, permit, and completion data in the counties
associated with this report in West Virginia
Colorado Oil and Gas Conservation Commission (http://cogcc.state.co.us) Source of well production,
permit, and completion data in the counties associated with this report in Colorado
Wyoming Oil and Conservation Commission (http://wogcc.state.wy.us ) Source of well production,
permit, and completion data in the counties associated with this report in Wyoming
Louisiana Department of Natural Resources (http://dnr.louisiana.gov) Source of well production,
permit, and completion data in the counties associated with this report in Louisiana
10

US EIA Drilling Productivity Report - July 2014

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