CINXE.COM

<!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,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);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="390"></head><body class="no-js"><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "publications.waset.org",cType: 'managed',cRay: '919bf3d55d25ce8b',cH: 'rWU4Grdw91nCIyjeTGrew5THLee71o1cgJbOiOGWD2I-1740866691-1.2.1.1-G8d6TrYZoAd3_7empLpK.aKI2RGgaSPdOag6Sj.NTINrDoZr1C2Aay.3MDSfYgSW',cUPMDTk: "\/search?q=gas%20production&__cf_chl_tk=BOfb_1snlZL2cerLmcJF9xYA3nentagf9XB5gR2scR0-1740866691-1.0.1.1-ihVkskKLBo9rM5YteyQaG7XFqtrmV5zLvaj7AbU59Sg",cFPWv: 'b',cITimeS: '1740866691',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/search?q=gas%20production&__cf_chl_f_tk=BOfb_1snlZL2cerLmcJF9xYA3nentagf9XB5gR2scR0-1740866691-1.0.1.1-ihVkskKLBo9rM5YteyQaG7XFqtrmV5zLvaj7AbU59Sg",md: "zMbI4PuuHbnnYaRk5ZBUqGhy57jsSQF24XtjjFimchA-1740866691-1.2.1.1-iwHv7zT72oThRzCzu51BTjZlQnG.Iw00mEBg8L454.iGoqQMTI6bYdz.tUlZawfezO0C6hapggZMvpNLmx3XVIWRHu2B4QoWSBNqqQlfWVW6XhmWZqff6Ap1hlMRmm2Zpe8QCyLRtnemtcO2xfQHIUpfd_9NKXDQfOBsnbxpqjtdy4aQ_tP0Hojg.hdSsYAUTQo9qD1vVeikC_osu2zlGI3_lV9OX5xlESrelp0XFgeQ6navq.IsrcFW6wGEafsyAeCD4mFK9FTE81yYDDlJ4GzyIz8eWleftFAkE8XMmvDJx7xidog7cceUVLNOEECPYVur6QiS53Aaq4HJ3K6VMMowd_3WWNbLOK4Z2jtcMhm7TWNmREk5f1aPcJqHoo2dsaZQXCVD5Lrf3COTYHSvW5qpQrlSIhwBfdbyi6o1t87ZMO4IuGg.GzI8MeWgGEdcJ2M5ZGAz5uP2TfUBU6FQhYy_Xe0svouk0OU01nwf5ZnfZfrCPd9WqGRsLX_e3j858bz9Ve.iBYCP2RGNCQpcTM4B5DIvR_RtH9DeBmHoICALCvED4FBe3rCYa_bH_YV4Iv9T71cupgZHy_sRmRzfeZWpEV0PYkzX0LjJf7cPyGVSsJX26Up_se0QW45kQCaAAMk5AgGA9PKllVwpVT1fszavlIepoDiUsyCy8BCj6_VFhwZD9x6eOze_RovrJvsBgvz86oin2F5DLQIYUslf_XY2INHQBv0unjr_tGXcnXLGUPJbCw7WBfcA_KpFLZkfg545XI3nL6dQjRrw7c.WHGAWA7.RtPruaRwDGBGSJ3yKLa5agEjzpSwrsqVyjGm8tEfXCRCNF4EyFQx4ElWSIAaShSTaW6cVOevVf5ThGUYcmszn25Lwj4pRRDXVeR9izz3swhYBKyAXgN8b9FAC7v4yBofpAnuZbT6DKAtSBgfey_PHXFu5zwpINQAPsUECY9cE3RJ26WJr3bsFXGsi9HKswEpLL7X3GtRj7SOq0F8u10lOVQmSsIeroFS4PLGK0GdlvIZmixhGHSQgYcw_DreB_WRYF7lF3MnnrgKE3zHYokz0Fj0u0.iyKG5Bpam8gFm3vZCFj9.4GWwjSA1acCfS62j6ec0F382Plpn90YenMgPktwwiJLY8tESN_AoICCpHF8WDJWPbrU0DVd1c_UbroCXpRoYJ7q3FXWAeufAPwNQBzxPwhxNTLM2HQT5okUqD9l__6.8XD8f7vpvPm1XNV2m0GjK0qnF3_5uVe9TCmPDsgMYYkOwrQuYYVP_n",mdrd: "0rVZPh8hfZCImRB2m94wg7k_019esiBLTfmNE.9SM2U-1740866691-1.2.1.1-CCgZ6aHjIZiGWCmVU3k9HNcR_nPb9DjiCSizATdygWrnfOrWf33aHraLXT77mckpiW8YNg9Y5oENP61bRtHVISkxgJYxAnzSvktKgADzF0un1MQkquX8luZBLbeeVcQVUe8ln0chn73yfuFldJtS_qPHfRHMmj8bUgU00sVTIBS46xIQ9ursju17cnsUqYkqsfxC0yWaC_UxBqBPiEZLvQ1FfPuQkphzmRT0WCtAeuZrPkLAS2MFvx.QexBtD7Vvp2vzJmLIQdeMFg_s_21.UqsptgCe2VHvbsPuFGktZiihnOr1b32lToHVgILT1WX5sytg9.IrwysnJRpxZnCaY0epEKMJxq8Yumq0KWg_TTo.ws.XDVlpVmYJth8fTXVeBS3N.YDWkMOE6EB2ur.PyFCMy.N51w5NgdDTtYkDbhEgAAK2zaWQogyXXuOmyqJztC_1ICPkBR96ncRisSPwlQKy_SAKUYDW8h0dmG200.U6O.I8Yqg2Thr2JIkOpmc4eCmqhQdIiU1P5kpSp8oxQO9wRp4qmMl6sKmennsrn.xG.vLpE1ftnZpUH04.FF0CXB.IBWalG6pDAuu0EM_i3xhxpO_9BT0SBQ3WLfqNz9z8PqRerL6gL2gYNH7jHU0j5Vivm8cT9MJk0unBuAUyIY.TVmMnW2brMapodaMwJEoBSo94re_vbffX4V86rdtaZaL6sCqnK4D4ynnIohEunv9j4Le5_1jdRARs8BTqmPNV25qq1VyneCNCl9X7r6GGp6u3JyUM_Cz4X2LUrkvoa4xiaSTx9.UKqjU4VLT8xvRmfnecgy7oHgcz9g9zil58WVW7RVsTxqdavPl8FpcDwZUzjDwCfC1K3M21gNZGP2Oma9BJEUCCtl3juBHeocOgQjt8yd2OVmmg6vp.vMlkULpE2QvIQUWOuAJmV8cS.yWCihOM7_a3bM00O_T3_OE4fAz3UE6DaG8Q6Dd44lgjvTW9Tf1bvWzQZxHWuluOLI5A2bG7WI4cpnn7rE78.jQsGzKV4lc8LliCPxSCXs8zaxIlyp23TOa1SP5.vagUvBtbRH8dYhQ8PTnkde8Moft3QVK._A5gt9nkamFPaHZaFLAq10FcoDsDrrh9t4moUJ5kgUTnxhSJPol5m.BBKficsbN8am6Ff7qXPvoyHX7klhOfftJnyVZdxi5vDhZ4QOrtxwzR8pEK5k9TmBIGpaQQeqzaeh4UsKJFnSO6I0vz.7a4JAwGfOhbXXZu9R2.t6CPk5P141QZRkK0ao3VGOgNBitvfp7.s6Poiu4Zj21H4vUqvHP001FCx1PcdomC.yqEXXcp5I0kU8PfSvSnfpLY86HfFl3_3Z9WLBOu4HYgHz4UKAOA2VhzrrBIXwQlu3j1ksPy.COfct7ACyIuCfrs0mwQ.6Lj3hj13ndik.tZLMpg5oB0f3Obv7I5lelr6AnT2HzjFZLLDg.SOoEP71fBNqxxMfRzcV6D_pSTYRpH187dMfHINukR4wX.G.yGhADcl2kdKOg1zbJV4dv0UR_Wex0aO74X_O4cUpV.ybc7PCvS94VJL0H.2VpJDjJHS02iMoatxZh.rbNVJugzSmEhBBukv8VRRm85P1eh_CxAXUEZnZ2Rz2Ihthz1yCk3pC4Av1ru6odO8CB0bbuoBPguGV3INxnm.FxR7JkZVhRsAK1N.hN6MIMpQ2cP6YYR0BU5XMYO2Inge5CsiaeZK04zcHGPYIG9Pv4BCekG02Q510xypg1PnMbsSUgvfGFMPY4K2OVQYbfnLsW5VySnOT4LXloYBu2ASCjPcJY9jrnV3yKgYKwhdUBqNpeHDosXGNvhmDnzhPcy_7W3cVRxJrtUJC_AFbEd_UUQn6gjAw.Vw4Xz7wISCILttGcow6pR9u3sij7MVVijUe3o3HcOQLH6TIh78RxncQUAnbemO8VRWrSxcXOumCQCsIh66jYFSBypbDsrkdaNH26qmXKr4P_9pyC_Lw4GmnT.5FuYUMX8KQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=919bf3d55d25ce8b';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/search?q=gas%20production&__cf_chl_rt_tk=BOfb_1snlZL2cerLmcJF9xYA3nentagf9XB5gR2scR0-1740866691-1.0.1.1-ihVkskKLBo9rM5YteyQaG7XFqtrmV5zLvaj7AbU59Sg" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>