原油脱硫一直是油田化学领域的难题，虽然原油中硫含量并不是特别高，但是其对于开采、储运及后期炼化设备会造成严重的腐蚀，无形中增加了运营成本，加重开发商负担，还会对环境造成污染。此外，硫化氢气体更是一种能够致命的有毒气体，所有的油田现场工作都对硫化氢泄漏严防死守。
近年来，业内对于原油中硫的防治研究一致没有中断，但大多数都停留在降低采出原油的降硫技术层面，对现场工作的安全没有实质性的提高。近日，OriginClear公司宣布该公司的降硫剂H2S－N可以注入地层，从根本上解决原油含硫的问题，大大提高了原油脱硫效率，提高了现场工作的安全性，降低了后期处理成本。
强强联合 攻克难题石油圈原创www.oilsns.com
OriginClear是一家领先的水处理公司，该公司宣布Cobalt Aqua Control LLC（简称Cobalt公司）已经将15桶注入式原油脱硫剂销往南德克萨斯州的一家原油开发商手中进行应用，原油脱硫剂采用的是OriginClear公司的专有技术。
Cobalt是一家致力于石油与天然气技术发展的公司，总部位于美国休斯敦,OriginClear与 Cobalt强强联合，推出新型原油脱硫剂。在低油价的形势下，新型原油脱硫剂为高含硫原油的开发注入一剂“强心剂”。
在经OriginClear授权后，Cobalt采用其专利产权技术，研发成功新型原油脱硫剂H2S-N。该技术可以显著提高原油采收率，大幅度降低原油中硫化氢含量，降低原油运输与储藏的风险，提高原油市场价值和安全性，保护环境。
将H2S中和剂作为注入剂注入生产井中，已经被证明可以显著提高原油采收率。使用该注入剂后，井口生产稳定压力的增加是对该注入剂性能最好的证明，此外H2S中和剂可以明显减少原油中硫化氢的含量。
Cobalt公司创始人兼经理William Germano Jr讲道：“在第一次硫化氢中和剂的现场试验中，中和剂成功将天然气井口压力由不稳定的20psi提升至40psi，持续时间为6个月。同OriginClear的合作，有助于油气运营商提升产量和降低环境影响”。
除对井口压力进行测试外，还针对原油中含有硫化氢的问题还进行了试验。硫化氢是一种腐蚀性气体，会使原油酸性增加，降低原油市场价值。在试验中，硫化氢测定含量从200ppm降至仪器无法读取值。
OriginClear 公司科技总裁Kindler说道：“目前，开发商由于原油的高酸性每年要损失高到130亿美金，当今原油价格依旧低迷，开发商为解决上述问题绞尽脑汁。Cobalt公司创新性开发原油脱硫剂，并获得非常好的效果，我们很高兴与Cobalt公司成为合作伙伴。”
减少原油中的硫化氢含量，不仅可以将原油价值提升8%到10%，而且还可以提高工作人员的安全性、减少后期维护工作，因为即使原油中仅含5ppm的硫化氢，储存、运输原油的油罐、管道都需要进行经常维护。
在2015年10月，OriginClear第一次宣布该公司具有专利产权的电氧化技术，在不使用化学药剂的情况下，通过废水处理，可以消灭96%以上的细菌和97%以上的硫化氢。测试结果来源于试验室与美国鹰滩页岩矿区现场分别的测试。在最近Cobalt测试中，该测试结果同样被验证。
高含硫原油中硫的含量高达0.5%，部分以硫化氢的形式存在。在墨西哥湾、南美和加拿大地区，这种问题更加普遍。欧佩克国家生产的原油也存在上述问题。
关于OriginClear 石油圈原创www.oilsns.com
OriginClear是一家致力于提供废水处理解决方案的公司，通过对废水清洁技术不断突破和市场份额的快速扩张，该公司逐步成为该行业的领导者。通过旗下的子公司，OriginClear可以提供多种行业的废水处理服务，其中包括市政，制药，半导体、石油天然气等行业。
来自/OriginClear 译者/赵金成 编辑/Lemon
OriginClear Inc, a leading provider of water treatment solutions, today announced that Cobalt Aqua Control LLC (Cobalt) recently shipped its first commercial sale of 15 barrels of an injectable crude oil sweetening liquid, produced with OriginClear technology, to an oil operator in South Texas.
Cobalt is a developer of oil and gas technology and remediation solutions based in Houston, TX. OriginClear licensed its Advanced Oxidation (EWS:AOx™) technology to Cobalt, and, through a wholly-owned subsidiary, has a significant membership interest in Cobalt. Cobalt’s process produces a liquid that can significantly improve oil recovery, reduce corrosive gas in the crude stream, and increase overall ROI for operators.
Known as H2S-Neutralizer™ (H2S-N™), this injectable liquid has demonstrated a dramatic improvement in oil recovery ratios, as evidenced by a stable increase in well-head pressure. In addition, H2S-N has been shown to significantly reduce hydrogen sulfide (H2S) concentration in the crude stream.
“In the first field trial we did with H2S-N, we were able to increase wellhead pressure in a gas well from an unstable 20 psi to an average 40 psi for a six-month period,” said William Germano Jr., Co-founder and Manager of Cobalt Aqua Control. “Working with OriginClear will help oil and gas operators get more value out of their production, with minimal environmental impact.”
In addition to wellhead pressure testing, other tests were performed with crude oil contaminated with H2S, or hydrogen sulfide, a highly corrosive gas that helps cause crude oil to become “sour” and lose value in the market. In field tests, hydrogen sulfide was measured from a 200 ppm concentration down to Below Readable Value (see pp. 5 and 6 of the lab report).
“The market imposes a penalty for sour crude of about 13 billion US dollars annually,” said Jean-Louis “JL” Kindler, President of OriginClear Technologies. “With oil prices still very low, producers are eager for any solution to the problem. Cobalt has an innovative approach of selling liquid, which generates a recurring revenue stream. We are delighted to be partners in this venture!”
Reducing hydrogen sulfide in crude oil can not only improve the value of crude by 8 to 10%, but also worker safety and logistics, because containers and pipelines require frequent maintenance when used with crude oil contaminated with as little as 5ppm of H2S.
OriginClear first announced in November of 2015 that its proprietary electro-oxidation technology can effectively remove 96 percent of bacteria and 97 percent of hydrogen sulfide (H2S) from produced water, without chemicals. Results were reported after lab and field testing on produced water from the Eagle Ford shale, and further validated in the recent Cobalt tests.
According to petroleum.co.uk, “Hydrogen sulfide is famous for its ‘rotten egg’ smell… Hydrogen sulfide is so much of a risk that sour crude has to be stabilized via removal of hydrogen sulfide before it can be transported by oil tankers…
“Sour crude oil will have greater than 0.5% sulfur and some of this will be in the form of hydrogen sulfide… It is more common in the Gulf of Mexico, Mexico, South America, and Canada. Crude produced by OPEC Member Nations also tends to be relatively sour.”
About OriginClear, Inc.
OriginClear is a leading provider of water treatment solutions and the developer of a breakthrough water cleanup technology serving the rapidly growing world market. Through its wholly owned subsidiaries, OriginClear provides systems and services to treat water in a wide range of industries, such as municipal, pharmaceutical, semiconductors, industrial, and oil & gas.
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