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      <h1  class="page-title">GHGRP Petroleum and Natural Gas Systems</h1>
      
    
            
    
    
    
  
    


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  <p><span
    class="figure image file file-image file-image-png left view-mode-thumbnail" style="width:64px;"><img alt=" " height="65" width="64" class="left media-element file-thumbnail left" typeof="foaf:Image" src="/sites/production/files/styles/thumbnail/public/2015-07/petroleum.png" title="" /></span> This sector consists of the following industry segments of the petroleum and natural gas industry.</p>

<ul class="clear-left"><li><strong>Onshore Production.</strong> Production of petroleum and natural gas associated with onshore production wells and related equipment.</li>
	<li><strong>Offshore Production.</strong> Production of petroleum and natural gas from offshore production platforms.</li>
	<li><strong>Natural Gas Processing.</strong> Processing of field quality gas to produce pipeline quality natural gas.</li>
	<li><strong>Natural Gas Transmission.</strong> Compressor stations used to transfer natural gas through transmission pipelines.</li>
	<li><strong>Underground Natural Gas Storage.</strong> Facilities that store natural gas in underground formations.</li>
	<li><strong>Natural Gas Distribution.</strong> Distribution systems that deliver natural gas to customers.</li>
	<li><strong>Liquefied Natural Gas (LNG) Import/Export.</strong> Liquefied Natural Gas import and export terminals.</li>
	<li><strong>LNG Storage.</strong> Liquefied Natural Gas storage equipment.</li>
	<li><strong>Other Petroleum and Natural Gas Systems.</strong> Stationary fuel combustion emissions from petroleum and natural gas source categories that are not otherwise listed.</li>
</ul><ul class="accordion"><li><a title="Click to expand description" class="accordion-title" href="#pane-1">2015 Total Reported Direct Emissions from Petroleum and Natural Gas Systems, by Subsector (as of 8/13/16)</a>

		<div class="accordion-pane" id="pane-1">
			<p><span
    class="figure image file file-image file-image-png view-mode-full" style="width:624px;"><img alt="GHGRP 2015 Petroleum pie chart" height="457" width="624" class="media-element file-full" typeof="foaf:Image" src="/sites/production/files/styles/large/public/2016-10/ghgrp2015petroleumpiechart.png" /></span></p>
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	<li><a title="Click to expand description" class="accordion-title" href="#pane-2">Trend of Annual Reported GHG Emissions for Petroleum and Natural Gas Systems (as of 8/13/16)</a>
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			<p><span
    class="figure image file file-image file-image-png view-mode-full" style="width:624px;"><img alt="GHGRP 2015 Petroleum line graph" height="432" width="624" class="media-element file-full" typeof="foaf:Image" src="/sites/production/files/styles/large/public/2016-10/ghgrp2015petroleumlinegraph.png" /></span></p>
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</ul><table><thead><tr><th colspan="6" scope="col"><strong>Petroleum and Natural Gas Systems Sector — Greenhouse Gas Emissions Reported to the GHGRP</strong><br />
				(all emissions values presented in million metric tons CO<sub>2</sub>e)</th>
		</tr></thead><tbody><tr><th scope="col"> </th>
			<th class="center" scope="col">2011</th>
			<th class="center" scope="col">2012</th>
			<th class="center" scope="col">2013</th>
			<th class="center" scope="col">2014</th>
			<th class="center" scope="col">2015</th>
		</tr><tr><td><strong>Number of facilities:</strong></td>
			<td class="center">1,922</td>
			<td class="center">2,094</td>
			<td class="center">2,186</td>
			<td class="center">2,416</td>
			<td class="center">2,413</td>
		</tr><tr><td><strong>Total emissions (CO<sub>2</sub>e):</strong></td>
			<td class="center">222.3</td>
			<td class="center">226.0</td>
			<td class="center">227.8</td>
			<td class="center">235.1</td>
			<td class="center">231.4</td>
		</tr><tr><td><strong>Emissions by greenhouse<br />
				   gas (CO<sub>2</sub>e)</strong>
				<ul><li><strong>Carbon dioxide (CO<sub>2</sub>):</strong></li>
					<li><strong>Methane (CH<sub>4</sub>):</strong></li>
					<li><strong>Nitrous oxide (N<sub>2</sub>O):</strong></li>
				</ul></td>
			<td class="center"><br /><br />
				138.4<br />
				83.8<br />
				0.1</td>
			<td class="center"><br /><br />
				145.4<br />
				80.1<br />
				0.4</td>
			<td class="center"><br /><br />
				150.6<br />
				77.1<br />
				0.1</td>
			<td class="center"><br /><br />
				161.9<br />
				73.1<br />
				0.1</td>
			<td class="center"><br /><br />
				160.5<br />
				70.3<br />
				0.6</td>
		</tr></tbody></table><p>Totals may not equal sum of individual GHGs due to independent rounding.</p>

<p>CO<sub>2</sub> emissions from the combustion of biomass are NOT included in emissions totals provided above.</p>

<table><tbody><tr><th scope="col">Industry Sector</th>
			<th class="center" scope="col">2015 Number of Reporters</th>
			<th class="center" scope="col">2015 Emissions<br />
				(million metric tons CO<sub>2</sub>e)</th>
		</tr><tr><td>Onshore Production</td>
			<td class="center">534</td>
			<td class="center">97.3</td>
		</tr><tr><td>Offshore Production</td>
			<td class="center">133</td>
			<td class="center">7.3</td>
		</tr><tr><td>Natural Gas Processing</td>
			<td class="center">467</td>
			<td class="center">58.5</td>
		</tr><tr><td>Natural Gas Transmission/Compression</td>
			<td class="center">521</td>
			<td class="center">22.9</td>
		</tr><tr><td>Underground Natural Gas Storage</td>
			<td class="center">53</td>
			<td class="center">1.5<sup>1</sup></td>
		</tr><tr><td>Natural Gas Local Distribution Companies</td>
			<td class="center">177</td>
			<td class="center">14.3</td>
		</tr><tr><td>Liquefied Natural Gas (LNG) Import/Export</td>
			<td class="center">7</td>
			<td class="center">0.6</td>
		</tr><tr><td>LNG Storage</td>
			<td class="center">7</td>
			<td class="center">**</td>
		</tr><tr><td>Other Petroleum and Natural Gas Systems</td>
			<td class="center">541</td>
			<td class="center">29.1</td>
		</tr></tbody></table><p>Totals may not equal sum of individual GHGs due to independent rounding.</p>

<p>** Total reported emissions are less than 0.05 million metric tons CO<sub>2</sub>e.</p>

<p><sup>1</sup> The Southern California Gas Company - Aliso Canyon facility’s actual 2015 emissions were higher than those reported to the GHGRP. The GHGRP provides well-vetted average emission factors to calculate emissions. The facility followed these GHGRP calculation methods for 2015 reporting. Actual emissions differ from those reported due to an exceptional leak event. See <a href="https://www.arb.ca.gov/research/aliso_canyon_natural_gas_leak.htm">California Air Resource Board’s Aliso Canyon Natural Gas Leak</a> <a title="EPA's External Link Disclaimer" class="exit-disclaimer" href="/home/exit-epa">Exit</a>webpage for more information.   </p>

<ul class="accordion"><li><a title="Click to expand description" class="accordion-title" href="#pane-3">Facility locations and reported emissions (CO<sub>2</sub>e) for offshore production</a>

		<div class="accordion-pane" id="pane-3"><span
    class="figure image file file-image file-image-png view-mode-full" style="width:624px;"><img alt="GHGRP 2015 Petroleum map" height="457" width="624" class="media-element file-full" typeof="foaf:Image" src="/sites/production/files/styles/large/public/2016-10/ghgrp2015petroleummap.png" /></span></div>
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	<li><a title="Click to expand description" class="accordion-title" href="#pane-4">Reported emissions (CO<sub>2</sub>e) and well count by geologic basin for onshore production facilities</a>
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    class="figure image file file-image file-image-png view-mode-full" style="width:928px;"><img alt="GHGRP 2015 Petroleum map 2" height="717" width="928" class="media-element file-full" id="basin-emissions-img" typeof="foaf:Image" src="/sites/production/files/styles/large/public/2016-10/ghgrp2015petroleummap2.png" /></span></div>

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    class="figure image file file-image file-image-png view-mode-full" style="width:928px;"><img alt="GHGRP 2015 Petroleum map 2a" height="717" width="928" class="media-element file-full" id="basin-wells-img" typeof="foaf:Image" src="/sites/production/files/styles/large/public/2016-10/ghgrp2015petroleummap2a.png" /></span></div>

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    class="figure image file file-image file-image-png view-mode-full" style="width:928px;"><img alt="GHGRP 2015 Petroleum map 2b" height="717" width="928" class="media-element file-full" id="emissions-wells-img" typeof="foaf:Image" src="/sites/production/files/styles/large/public/2016-10/ghgrp2015petroleummap2b.png" /></span></div>

			<p><small><strong><a id="basin-emissions-toggle" href="/">Emissions by Basin</a> | <a id="basin-wells-toggle" href="/">Well Count by Basin</a> | <a id="emissions-wells-toggle" href="/">Emissions per Well by Basin</a></strong></small></p>
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	<li><a title="Click to expand description" class="accordion-title" href="#pane-5">Reported emissions (CO<sub>2</sub>e) by facility for industry types: natural gas processing, natural gas transmission/compression, underground natural gas storage, LNG storage, LNG import/export</a>
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			<p><span
    class="figure image file file-image file-image-png view-mode-full" style="width:624px;"><img alt="GHGRP 2015 Petroleum map 3" height="482" width="624" class="media-element file-full" typeof="foaf:Image" src="/sites/production/files/styles/large/public/2016-10/ghgrp2015petroleummap3.png" /></span></p>
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	<li><a title="Click to expand description" class="accordion-title" href="#pane-6">Facility locations for industry types: natural gas processing, natural gas transmission, underground natural gas storage, LNG storage, LNG import/export</a>
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			<p><span
    class="figure image file file-image file-image-png view-mode-full" style="width:624px;"><img alt="GHGRP 2015 Petroleum map 4" height="482" width="624" class="media-element file-full" typeof="foaf:Image" src="/sites/production/files/styles/large/public/2016-10/ghgrp2015petroleummap4.png" /></span></p>
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	<li><a title="Click to expand description" class="accordion-title" href="#pane-7">Reported emissions (CO<sub>2</sub>e) by natural gas utility service territory for natural gas distribution facilities</a>
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			<p><span
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    href="/sites/production/files/2016-10/w_ng_distribution.png"><img alt="Map showing natural gas distribution for GHGRP reporting year 2015." title="GHGRP Natural Gas Distribution 2015" height="419" width="928" style="width: 683px;" class="media-element file-full" typeof="foaf:Image" src="/sites/production/files/styles/large/public/2016-10/w_ng_distribution.png" /></a></span></p>
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	<li><a title="Click to expand description" class="accordion-title" href="#pane-8">Reported methane emissions (CO<sub>2</sub>e) for gas well completions and workovers with hydraulic fracturing.</a>
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    href="/sites/production/files/2016-10/2015reported_ng_ch4.png"><img alt="Graphi depicting methane emissions reported to GHGRP from gas well completions and workovers with hydraulic fracturing from 2011 to 2015. " title="Reported methane emissions from gas well completions and workovers with hydraulic fracturing" height="657" width="928" class="media-element file-full" typeof="foaf:Image" src="/sites/production/files/styles/large/public/2016-10/2015reported_ng_ch4.png" /></a></span></p>
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