id sid eid entity type american_scientific_journal-3254 1 1 174 CARDINAL american_scientific_journal-3254 1 2 american scientific research journal ORG american_scientific_journal-3254 1 3 issn PERSON american_scientific_journal-3254 1 4 2313 CARDINAL american_scientific_journal-3254 1 5 2313 CARDINAL american_scientific_journal-3254 1 6 nea region ahmed kiani* director ORG american_scientific_journal-3254 1 7 pvt. ltd. ORG american_scientific_journal-3254 1 8 islamabad GPE american_scientific_journal-3254 1 9 islamabad capital GPE american_scientific_journal-3254 1 10 44000 CARDINAL american_scientific_journal-3254 1 11 pakistan GPE american_scientific_journal-3254 1 12 north east asia LOC american_scientific_journal-3254 2 1 nea PERSON american_scientific_journal-3254 3 1 nea PERSON american_scientific_journal-3254 5 1 asian NORP american_scientific_journal-3254 8 1 north east asia LOC american_scientific_journal-3254 11 1 american scientific research journal ORG american_scientific_journal-3254 11 2 2017 CARDINAL american_scientific_journal-3254 11 3 34 CARDINAL american_scientific_journal-3254 11 4 174 CARDINAL american_scientific_journal-3254 12 1 nea PERSON american_scientific_journal-3254 12 2 china GPE american_scientific_journal-3254 12 3 japan GPE american_scientific_journal-3254 12 4 korea GPE american_scientific_journal-3254 12 5 taiwan GPE american_scientific_journal-3254 12 6 1-3 CARDINAL american_scientific_journal-3254 13 1 68 percent PERCENT american_scientific_journal-3254 14 1 nea GPE american_scientific_journal-3254 14 2 japan GPE american_scientific_journal-3254 14 3 4 CARDINAL american_scientific_journal-3254 14 4 45 percent PERCENT american_scientific_journal-3254 15 1 2012 DATE american_scientific_journal-3254 15 2 about 83 percent PERCENT american_scientific_journal-3254 15 3 japan GPE american_scientific_journal-3254 15 4 the middle east LOC american_scientific_journal-3254 16 1 5 CARDINAL american_scientific_journal-3254 17 1 fukushima GPE american_scientific_journal-3254 17 2 1 CARDINAL american_scientific_journal-3254 18 1 2012 DATE american_scientific_journal-3254 18 2 124 bcm MONEY american_scientific_journal-3254 18 3 109 bcm MONEY american_scientific_journal-3254 18 4 2010 DATE american_scientific_journal-3254 18 5 26 bcm MONEY american_scientific_journal-3254 18 6 1980 DATE american_scientific_journal-3254 18 7 2 CARDINAL american_scientific_journal-3254 19 1 64 percent PERCENT american_scientific_journal-3254 19 2 16 percent PERCENT american_scientific_journal-3254 19 3 9 percent PERCENT american_scientific_journal-3254 20 1 6,7 CARDINAL american_scientific_journal-3254 21 1 china hydrocarbon ORG american_scientific_journal-3254 23 1 2012 DATE american_scientific_journal-3254 23 2 china GPE american_scientific_journal-3254 23 3 5.4 mb MONEY american_scientific_journal-3254 23 4 55 percent PERCENT american_scientific_journal-3254 23 5 50 percent PERCENT american_scientific_journal-3254 23 6 saudi arabia GPE american_scientific_journal-3254 23 7 oman GPE american_scientific_journal-3254 24 1 the same year DATE american_scientific_journal-3254 24 2 china GPE american_scientific_journal-3254 24 3 20 bcm MONEY american_scientific_journal-3254 24 4 turkmenistan GPE american_scientific_journal-3254 24 5 122 bcm MONEY american_scientific_journal-3254 24 6 2018 DATE american_scientific_journal-3254 25 1 third ORDINAL american_scientific_journal-3254 25 2 20 bcm MONEY american_scientific_journal-3254 25 3 qatar GPE american_scientific_journal-3254 26 1 2012 DATE american_scientific_journal-3254 26 2 korea GPE american_scientific_journal-3254 26 3 3.3 mb QUANTITY american_scientific_journal-3254 26 4 99 percent PERCENT american_scientific_journal-3254 26 5 2.5 mb QUANTITY american_scientific_journal-3254 26 6 0.8 mb QUANTITY american_scientific_journal-3254 27 1 korea GPE american_scientific_journal-3254 27 2 36 percent PERCENT american_scientific_journal-3254 28 1 2011 DATE american_scientific_journal-3254 28 2 korea GPE american_scientific_journal-3254 28 3 46.8 bcm MONEY american_scientific_journal-3254 28 4 lng ORG american_scientific_journal-3254 29 1 3 CARDINAL american_scientific_journal-3254 29 2 12 CARDINAL american_scientific_journal-3254 29 3 2,11 CARDINAL american_scientific_journal-3254 30 1 10-12 CARDINAL american_scientific_journal-3254 31 1 us GPE american_scientific_journal-3254 31 2 13 CARDINAL american_scientific_journal-3254 34 1 nea PERSON american_scientific_journal-3254 35 1 2 CARDINAL american_scientific_journal-3254 35 2 2.1 CARDINAL american_scientific_journal-3254 38 1 american scientific research journal ORG american_scientific_journal-3254 38 2 2017 CARDINAL american_scientific_journal-3254 38 3 34 CARDINAL american_scientific_journal-3254 38 4 174 CARDINAL american_scientific_journal-3254 38 5 176 CARDINAL american_scientific_journal-3254 38 6 14 CARDINAL american_scientific_journal-3254 40 1 17 CARDINAL american_scientific_journal-3254 41 1 18 CARDINAL american_scientific_journal-3254 42 1 19-22 CARDINAL american_scientific_journal-3254 44 1 22 CARDINAL american_scientific_journal-3254 46 1 artic ORG american_scientific_journal-3254 50 1 22 CARDINAL american_scientific_journal-3254 51 1 24 CARDINAL american_scientific_journal-3254 52 1 25 CARDINAL american_scientific_journal-3254 53 1 2.2 CARDINAL american_scientific_journal-3254 54 1 26 CARDINAL american_scientific_journal-3254 55 1 8 CARDINAL american_scientific_journal-3254 56 1 26 CARDINAL american_scientific_journal-3254 58 1 2729 CARDINAL american_scientific_journal-3254 60 1 28 CARDINAL american_scientific_journal-3254 61 1 14 CARDINAL american_scientific_journal-3254 62 1 19,20 CARDINAL american_scientific_journal-3254 63 1 american scientific research journal ORG american_scientific_journal-3254 63 2 2017 CARDINAL american_scientific_journal-3254 63 3 34 CARDINAL american_scientific_journal-3254 63 4 174 CARDINAL american_scientific_journal-3254 63 5 177 CARDINAL american_scientific_journal-3254 63 6 30 CARDINAL american_scientific_journal-3254 63 7 25 CARDINAL american_scientific_journal-3254 64 1 2.3 CARDINAL american_scientific_journal-3254 65 1 the united states GPE american_scientific_journal-3254 65 2 japan GPE american_scientific_journal-3254 65 3 china GPE american_scientific_journal-3254 65 4 india GPE 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73 2 51 bcm MONEY american_scientific_journal-3254 73 3 2012 DATE american_scientific_journal-3254 73 4 3 CARDINAL american_scientific_journal-3254 75 1 korea GPE american_scientific_journal-3254 75 2 the ulleung basin LOC american_scientific_journal-3254 75 3 2 CARDINAL american_scientific_journal-3254 78 1 1 CARDINAL american_scientific_journal-3254 79 1 20 CARDINAL american_scientific_journal-3254 80 1 first ORDINAL american_scientific_journal-3254 80 2 2020 DATE american_scientific_journal-3254 81 1 1 CARDINAL american_scientific_journal-3254 81 2 arctic permafrost LOC american_scientific_journal-3254 83 1 20 CARDINAL american_scientific_journal-3254 83 2 american scientific research journal ORG american_scientific_journal-3254 83 3 2017 CARDINAL american_scientific_journal-3254 83 4 34 CARDINAL american_scientific_journal-3254 83 5 174 CARDINAL american_scientific_journal-3254 83 6 2012 DATE american_scientific_journal-3254 84 1 2004 DATE american_scientific_journal-3254 84 2 hancock et ORG american_scientific_journal-3254 85 1 al PERSON american_scientific_journal-3254 86 1 2004 DATE american_scientific_journal-3254 88 1 30 CARDINAL american_scientific_journal-3254 88 2 hancock et al PERSON american_scientific_journal-3254 89 1 31 CARDINAL american_scientific_journal-3254 90 1 32 CARDINAL american_scientific_journal-3254 90 2 million CARDINAL american_scientific_journal-3254 90 3 british NORP american_scientific_journal-3254 91 1 6 MONEY american_scientific_journal-3254 92 1 21 CARDINAL american_scientific_journal-3254 93 1 walsh et al PERSON american_scientific_journal-3254 94 1 33 CARDINAL american_scientific_journal-3254 94 2 tough+hydrate ORG american_scientific_journal-3254 94 3 reagan PERSON american_scientific_journal-3254 95 1 34-40 CARDINAL american_scientific_journal-3254 97 1 50 percent PERCENT american_scientific_journal-3254 97 2 3.40 MONEY american_scientific_journal-3254 97 3 3.90 MONEY american_scientific_journal-3254 97 4 22 CARDINAL 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american_scientific_journal-3254 107 1 luxresearch ORG american_scientific_journal-3254 107 2 2012 DATE american_scientific_journal-3254 107 3 bloomberg ORG american_scientific_journal-3254 107 4 2016 DATE american_scientific_journal-3254 107 5 nea countries ORG american_scientific_journal-3254 107 6 2012 DATE american_scientific_journal-3254 108 1 china GPE american_scientific_journal-3254 108 2 5.5 CARDINAL american_scientific_journal-3254 108 3 saudi arabia GPE american_scientific_journal-3254 108 4 20% PERCENT american_scientific_journal-3254 108 5 oman GPE american_scientific_journal-3254 108 6 7% PERCENT american_scientific_journal-3254 108 7 45% PERCENT american_scientific_journal-3254 108 8 japan GPE american_scientific_journal-3254 108 9 83 CARDINAL american_scientific_journal-3254 108 10 saudi arabia GPE american_scientific_journal-3254 108 11 33% PERCENT american_scientific_journal-3254 108 12 uae GPE american_scientific_journal-3254 108 13 23% PERCENT american_scientific_journal-3254 108 14 kuwait GPE american_scientific_journal-3254 108 15 8% PERCENT american_scientific_journal-3254 108 16 qatar GPE american_scientific_journal-3254 108 17 6% PERCENT american_scientific_journal-3254 108 18 38% PERCENT american_scientific_journal-3254 108 19 30% PERCENT american_scientific_journal-3254 108 20 south korea GPE american_scientific_journal-3254 108 21 3.3 CARDINAL american_scientific_journal-3254 108 22 87 CARDINAL american_scientific_journal-3254 108 23 saudi arabia GPE american_scientific_journal-3254 108 24 33% PERCENT american_scientific_journal-3254 108 25 kuwait GPE american_scientific_journal-3254 108 26 14% PERCENT american_scientific_journal-3254 108 27 uae GPE american_scientific_journal-3254 108 28 10% PERCENT american_scientific_journal-3254 108 29 qatar GPE american_scientific_journal-3254 108 30 10% PERCENT american_scientific_journal-3254 108 31 iraq GPE american_scientific_journal-3254 108 32 9% PERCENT american_scientific_journal-3254 108 33 57% PERCENT american_scientific_journal-3254 108 34 20% PERCENT american_scientific_journal-3254 108 35 nea countries ORG american_scientific_journal-3254 108 36 2012 DATE american_scientific_journal-3254 108 37 mmbtu1 PERSON american_scientific_journal-3254 109 1 china GPE american_scientific_journal-3254 109 2 turkmenistan GPE american_scientific_journal-3254 109 3 66% PERCENT american_scientific_journal-3254 109 4 qatar GPE american_scientific_journal-3254 109 5 34% PERCENT american_scientific_journal-3254 109 6 36% PERCENT american_scientific_journal-3254 109 7 23% PERCENT american_scientific_journal-3254 109 8 23% PERCENT american_scientific_journal-3254 109 9 5 34 CARDINAL american_scientific_journal-3254 109 10 japan GPE american_scientific_journal-3254 109 11 130 CARDINAL american_scientific_journal-3254 109 12 2.73 CARDINAL american_scientific_journal-3254 109 13 qatar GPE american_scientific_journal-3254 109 14 17% PERCENT american_scientific_journal-3254 109 15 australia GPE american_scientific_journal-3254 109 16 16% PERCENT american_scientific_journal-3254 109 17 indonesia GPE american_scientific_journal-3254 109 18 10% PERCENT american_scientific_journal-3254 109 19 russia GPE american_scientific_journal-3254 109 20 9% PERCENT american_scientific_journal-3254 109 21 brunei GPE american_scientific_journal-3254 109 22 7% PERCENT american_scientific_journal-3254 109 23 uae GPE american_scientific_journal-3254 109 24 7% PERCENT american_scientific_journal-3254 109 25 oman GPE american_scientific_journal-3254 109 26 6% PERCENT american_scientific_journal-3254 109 27 64% PERCENT american_scientific_journal-3254 109 28 16% PERCENT american_scientific_journal-3254 109 29 9% PERCENT american_scientific_journal-3254 109 30 4.8 37 CARDINAL american_scientific_journal-3254 109 31 south korea GPE american_scientific_journal-3254 109 32 51 CARDINAL american_scientific_journal-3254 109 33 qatar GPE american_scientific_journal-3254 109 34 22% PERCENT american_scientific_journal-3254 109 35 indonesia GPE american_scientific_journal-3254 109 36 21% PERCENT american_scientific_journal-3254 109 37 oman GPE american_scientific_journal-3254 109 38 12% PERCENT american_scientific_journal-3254 109 39 malaysia GPE american_scientific_journal-3254 110 1 11% PERCENT american_scientific_journal-3254 110 2 russia GPE american_scientific_journal-3254 110 3 8% PERCENT american_scientific_journal-3254 110 4 47% PERCENT american_scientific_journal-3254 110 5 23% PERCENT american_scientific_journal-3254 110 6 18% PERCENT american_scientific_journal-3254 110 7 3% PERCENT american_scientific_journal-3254 111 1 american scientific research journal ORG american_scientific_journal-3254 111 2 2017 CARDINAL american_scientific_journal-3254 111 3 34 CARDINAL american_scientific_journal-3254 111 4 174 CARDINAL american_scientific_journal-3254 113 1 asian NORP american_scientific_journal-3254 114 1 standard oil & gas ORG american_scientific_journal-3254 115 1 2,000 to 4,000 meters QUANTITY american_scientific_journal-3254 116 1 up to CARDINAL american_scientific_journal-3254 116 2 approximately 500 meters QUANTITY american_scientific_journal-3254 119 1 one CARDINAL american_scientific_journal-3254 119 2 100,000 mΒ³ QUANTITY american_scientific_journal-3254 119 3 around 50,000 mΒ³ QUANTITY american_scientific_journal-3254 121 1 hours TIME american_scientific_journal-3254 121 2 hours TIME american_scientific_journal-3254 121 3 1 CARDINAL american_scientific_journal-3254 124 1 ci PERSON american_scientific_journal-3254 126 1 2 CARDINAL american_scientific_journal-3254 128 1 american scientific research journal ORG american_scientific_journal-3254 128 2 2017 CARDINAL american_scientific_journal-3254 128 3 34 CARDINAL american_scientific_journal-3254 128 4 174 CARDINAL american_scientific_journal-3254 128 5 6 CARDINAL american_scientific_journal-3254 129 1 7 CARDINAL american_scientific_journal-3254 129 2 12 CARDINAL american_scientific_journal-3254 130 1 1 CARDINAL american_scientific_journal-3254 130 2 one CARDINAL american_scientific_journal-3254 130 3 2 CARDINAL american_scientific_journal-3254 130 4 3 CARDINAL american_scientific_journal-3254 130 5 4 CARDINAL american_scientific_journal-3254 130 6 5 CARDINAL american_scientific_journal-3254 130 7 2 CARDINAL american_scientific_journal-3254 133 1 1 CARDINAL american_scientific_journal-3254 133 2 sg&a ORG american_scientific_journal-3254 133 3 0 CARDINAL american_scientific_journal-3254 133 4 one CARDINAL american_scientific_journal-3254 133 5 0 CARDINAL american_scientific_journal-3254 133 6 american scientific research journal ORG american_scientific_journal-3254 133 7 2017 CARDINAL american_scientific_journal-3254 133 8 34 CARDINAL american_scientific_journal-3254 133 9 174 CARDINAL american_scientific_journal-3254 133 10 t. 𝐢𝐢2(𝑝𝑝2β€² NORP american_scientific_journal-3254 134 1 + 𝐷𝐷𝐷𝐷(𝑝𝑝2β€² PERSON american_scientific_journal-3254 134 2 2 CARDINAL american_scientific_journal-3254 134 3 c3 ORG american_scientific_journal-3254 135 1 𝐷𝐷(𝑝𝑝3β€² PERSON american_scientific_journal-3254 136 1 𝐷𝐷(𝑝𝑝3β€² PERSON american_scientific_journal-3254 136 2 0 CARDINAL american_scientific_journal-3254 137 1 𝐷𝐷(𝑝𝑝3β€² PERSON american_scientific_journal-3254 137 2 3 CARDINAL american_scientific_journal-3254 137 3 𝑆𝑆𝑆𝑆(𝑝𝑝4β€² PERSON american_scientific_journal-3254 137 4 𝐡𝐡𝐴𝐴(𝑝𝑝4β€² CARDINAL american_scientific_journal-3254 142 1 4 CARDINAL american_scientific_journal-3254 142 2 c5 ORG american_scientific_journal-3254 144 1 5 CARDINAL american_scientific_journal-3254 145 1 1 CARDINAL american_scientific_journal-3254 145 2 5 CARDINAL american_scientific_journal-3254 145 3 𝐢𝐢𝑇𝑇 ORG american_scientific_journal-3254 145 4 𝑇𝑇 ORG american_scientific_journal-3254 146 1 𝑇𝑇 ORG american_scientific_journal-3254 147 1 1 𝑇𝑇 CARDINAL american_scientific_journal-3254 147 2 𝑝𝑝𝑖𝑖 β€²,π‘₯π‘₯,𝑦𝑦,𝑧𝑧,𝑧𝑧′)(𝑆𝑆𝑛𝑛(𝑑𝑑 PERSON american_scientific_journal-3254 147 3 𝑇𝑇 ORG american_scientific_journal-3254 148 1 0 CARDINAL american_scientific_journal-3254 148 2 6 CARDINAL american_scientific_journal-3254 148 3 8.60 MONEY american_scientific_journal-3254 148 4 2013 DATE american_scientific_journal-3254 148 5 2014 DATE american_scientific_journal-3254 148 6 2015 DATE american_scientific_journal-3254 148 7 american scientific research journal ORG american_scientific_journal-3254 148 8 2017 CARDINAL american_scientific_journal-3254 148 9 34 CARDINAL american_scientific_journal-3254 148 10 174 CARDINAL american_scientific_journal-3254 149 1 100% PERCENT american_scientific_journal-3254 150 1 2 CARDINAL american_scientific_journal-3254 150 2 7 CARDINAL american_scientific_journal-3254 150 3 9 CARDINAL american_scientific_journal-3254 150 4 𝑆𝑆𝑆𝑆𝐡𝐡𝑀𝑀𝑀𝑀(𝑝𝑝′(𝑑𝑑),𝑣𝑣(𝑑𝑑 PRODUCT american_scientific_journal-3254 150 5 10 CARDINAL american_scientific_journal-3254 150 6 12 CARDINAL american_scientific_journal-3254 150 7 𝑑𝑑𝑑𝑑𝑑𝑑𝑇𝑇𝑑𝑑 PERSON american_scientific_journal-3254 150 8 π‘£π‘£π‘‘π‘‘π‘‘π‘‘π‘£π‘£π‘šπ‘šπΈπΈ PERSON american_scientific_journal-3254 150 9 13 CARDINAL american_scientific_journal-3254 151 1 7 CARDINAL american_scientific_journal-3254 154 1 9 CARDINAL american_scientific_journal-3254 156 1 10 CARDINAL american_scientific_journal-3254 158 1 11 CARDINAL american_scientific_journal-3254 160 1 12 CARDINAL american_scientific_journal-3254 162 1 13 CARDINAL american_scientific_journal-3254 164 1 7 CARDINAL american_scientific_journal-3254 164 2 13 CARDINAL american_scientific_journal-3254 165 1 c3 PERSON american_scientific_journal-3254 165 2 c5 ORG american_scientific_journal-3254 165 3 zero CARDINAL american_scientific_journal-3254 166 1 6 CARDINAL american_scientific_journal-3254 166 2 14 CARDINAL american_scientific_journal-3254 166 3 8.60 MONEY american_scientific_journal-3254 166 4 american scientific research journal ORG american_scientific_journal-3254 166 5 2017 CARDINAL american_scientific_journal-3254 166 6 34 CARDINAL american_scientific_journal-3254 166 7 174 CARDINAL american_scientific_journal-3254 166 8 184 CARDINAL american_scientific_journal-3254 166 9 𝐢𝐢𝑇𝑇 ORG american_scientific_journal-3254 166 10 𝑇𝑇 ORG american_scientific_journal-3254 168 1 1 𝑇𝑇 CARDINAL american_scientific_journal-3254 168 2 𝑝𝑝2 β€² DATE american_scientific_journal-3254 169 1 0 CARDINAL american_scientific_journal-3254 169 2 β‰ˆ 𝐢𝐢2 (𝑝𝑝2 β€² GPE american_scientific_journal-3254 169 3 14 CARDINAL american_scientific_journal-3254 169 4 2 CARDINAL american_scientific_journal-3254 170 1 𝐴𝐴𝐡𝐡𝑀𝑀𝑀𝑀(𝑣𝑣 GPE american_scientific_journal-3254 170 2 𝑝𝑝,𝑑𝑑 PRODUCT american_scientific_journal-3254 170 3 𝑝𝑝,𝑑𝑑 PRODUCT american_scientific_journal-3254 170 4 t) 𝐷𝐷𝐷𝐷𝐸𝐸𝐼𝐼𝑀𝑀𝑀𝑀(𝑑𝑑 DATE american_scientific_journal-3254 170 5 𝐢𝐢𝑇𝑇(𝑑𝑑 ORG american_scientific_journal-3254 170 6 1 CARDINAL american_scientific_journal-3254 170 7 5 CARDINAL american_scientific_journal-3254 170 8 1 CARDINAL american_scientific_journal-3254 170 9 3 CARDINAL american_scientific_journal-3254 170 10 3 CARDINAL american_scientific_journal-3254 170 11 nea region GPE american_scientific_journal-3254 171 1 american scientific research journal ORG american_scientific_journal-3254 171 2 2017 CARDINAL american_scientific_journal-3254 171 3 34 CARDINAL american_scientific_journal-3254 171 4 174 CARDINAL american_scientific_journal-3254 171 5 185 CARDINAL american_scientific_journal-3254 171 6 china GPE american_scientific_journal-3254 171 7 japan GPE american_scientific_journal-3254 171 8 south korea GPE american_scientific_journal-3254 171 9 5 CARDINAL american_scientific_journal-3254 171 10 4.8 CARDINAL american_scientific_journal-3254 171 11 8.6 37 DATE american_scientific_journal-3254 171 12 𝑉𝑉 ORG american_scientific_journal-3254 173 1 14 CARDINAL american_scientific_journal-3254 173 2 tough+hydrate ORG american_scientific_journal-3254 177 1 4 CARDINAL american_scientific_journal-3254 178 1 nea NORP american_scientific_journal-3254 178 2 years DATE american_scientific_journal-3254 179 1 nea GPE american_scientific_journal-3254 179 2 β€’ CARDINAL american_scientific_journal-3254 181 1 β€’ CARDINAL american_scientific_journal-3254 184 1 β€’ CARDINAL american_scientific_journal-3254 185 1 japan GPE american_scientific_journal-3254 186 1 mexico GPE american_scientific_journal-3254 186 2 japanese NORP american_scientific_journal-3254 187 1 asia LOC american_scientific_journal-3254 188 1 american scientific research journal ORG american_scientific_journal-3254 188 2 2017 CARDINAL american_scientific_journal-3254 188 3 34 CARDINAL american_scientific_journal-3254 188 4 174 CARDINAL american_scientific_journal-3254 188 5 186 CARDINAL american_scientific_journal-3254 188 6 north america LOC american_scientific_journal-3254 188 7 the next decade DATE american_scientific_journal-3254 188 8 2040 CARDINAL american_scientific_journal-3254 189 1 nea countries leading hydrate development ORG american_scientific_journal-3254 189 2 japan GPE american_scientific_journal-3254 190 1 nea NORP american_scientific_journal-3254 191 1 nea countries ORG american_scientific_journal-3254 192 1 nea NORP american_scientific_journal-3254 194 1 opec NORP american_scientific_journal-3254 194 2 nea ORG american_scientific_journal-3254 194 3 today DATE american_scientific_journal-3254 194 4 nea NORP american_scientific_journal-3254 195 1 5 CARDINAL american_scientific_journal-3254 196 1 nea countries PERSON american_scientific_journal-3254 197 1 nea ORG american_scientific_journal-3254 198 1 lng ORG american_scientific_journal-3254 199 1 nea methane hydrate development ORG american_scientific_journal-3254 199 2 nea PERSON american_scientific_journal-3254 200 1 nea methane hydrate development therefore ORG american_scientific_journal-3254 201 1 nea PERSON american_scientific_journal-3254 203 1 four percent PERCENT 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