中文字幕丝袜美腿诱惑色在线-日韩av中文一区-国产一区两区视频在线观看-伊人久久大香线蕉综合四虎小说-91久久久久人妻精品国产-麻豆国产在线午夜av-美乳大屁股男人久久av天堂-国产一区二区三区激情-国产精品久久久99中文,久久人人爽人人爽人人片av东,91久久精品中文字幕第一页,日本18禁久久久

Chinese | English

To Become a First-class International Oilfield Chemicals Supplier

More

To Become a First-class International Oilfield Chemicals Supplier

More

To Become a First-class International Oilfield Chemicals Supplier

More

To Become a First-class International Oilfield Chemicals Supplier

More

Hot Products

DSP-1 adopts the design of molecular structure. DSP-1 is polymerized with solvent method through the optimization of monomer of salt resistance and high temperature resistance.
More
NP-1 is a multi-polymer composed of alkane sulfonate, alkyl ester, crosslinking agent. It forms nano-solid sealing material through special technology.
More
AP-1 is a new type of shale inhibitor used in high-performance water based drilling fluid, which is a poly-amine-modified polyether polyols shale inhibitor.
More
NS-1 is the latest development of a hydrophilic modified silicon dioxide dispersions. NS-1 particle size distribute in the range of 1-100nm, which can seal nanoscale pore of shale effectively.
More

Drilling Fluids Systems

Ultra-high density composite brine drilling fluid system D-ULTRAWEI

Aiming at the technical problems such as fluid loss reduction, rheology and inhibition coordination, and well wall stability of ultra-high density drilling fluid system under high temperature and high pressure conditions, the ultra-high density composite brine drilling fluid system with a density of 2.6g/cm3 was developed by carrying out research work such as optimization of high-temperature resistant drilling fluid treatment agent, optimization of drilling fluid particle size distribution, and optimization of drilling fluid system composition.

Ultra-high temperature water-based drilling fluid system D-SuperHT

Ultra-deep Wells or geothermal Wells often face formation temperatures of more than 220 ° C in drilling construction, and deep Wells often drill salt paste layer, so the company has developed ultra-high temperature water-based drilling fluid system with temperature resistance of more than 220 ° C.

R&D Centre

Deshunyuan has established Oilfield Chemical Engineering Center with China University of Petroleum (hereinafter referred to as “Center”). The Center including drilling fluids lab, chemical synthesis, chemical analysis lab, oil and gas formation protection lab, which are equipped with the perfect global advanced testing instruments.

Production Base

The company has a large production base covering an area of over 100 acres, advanced production equipment, and can produce over 40 products in the field of drilling fluid treatment agents. The company has established a chemical synthesis room, analysis laboratory, product testing room, oil layer protection research room, and drilling fluid research room, equipped with advanced and complete experimental testing instruments, with precise testing.

According to modern enterprise management concepts, we have achieved scientific and standardized production management; Mechanization and automation of production operations; Electronic measurement.

Quality Control

The company has established advanced and perfect internal control system and quality control system, passed API spec Q1 and API 13A certification, ISO 9001 quality management system certification, 14001 environmental system certification, 18001 occupational safety and health system certification, HSE health safety and environmental protection system certification and CNPC oilfield chemical agent quality certification.
More
QHSE
Q&C Center

Marketing Network

The company is a first-class supplier of Sinopec, CNPC and CNOOC Oilfield Services Co., Ltd., with excellent quality and high scientific and technological content, and is widely used in domestic oilfields such as Shengli, Tuha, Daqing, Karamay, and international oilfields such as Iran, Iraq, Kazakhstan, Turkmenistan, Sudan, Venezuela, Ecuador, etc.
Service Network

About Us

Shandong Deshunyuan Petro Sci & Tech Co. LTD (hereinafter referred to as “DSY”) is located in Shengli Oilfield (The second largest oilfield in China) of Dongying city. The company was founded in 1999 with 15 million USD registered capital. It is a high-tech enterprise which is dedicated to the new petroleum technology development and application. The company has more than 100 acres of drilling fluid workshops and more than 30,000 MT annual production capacity of drilling fluid additives.

The main business covers drilling fluid additives production, drilling fluid engineering service, harmless disposal technology service of drilling waste, R&D of chemicals for Oilfield. DSY provides drilling fluid products and technical proposal for the customers to help them maximize the productivity and cost-efficiency of their drilling operations.

資質(zhì)榮譽

Qualification Honor
創(chuàng)新驅(qū)動,專業(yè)領(lǐng)先,科技創(chuàng)新,服務(wù)客戶

塔里木油田入網(wǎng)證

高新技術(shù)企業(yè)證書

AAA級信用企業(yè)等級證書

Certificate of Authority to use the official API Monogram

Health Safety and Environmental Management System Certification

新聞中心

News Center
創(chuàng)新驅(qū)動,專業(yè)領(lǐng)先,科技創(chuàng)新,服務(wù)客戶
企業(yè)宣傳片 / VIDEO
Provide the highest quality products and services to customers worldwide
Committed to becoming an international first-class oilfield chemical supplier
Contact Us
粉嫩99久久久国产精品免费-久久av麻豆av蜜桃-欧美日韩一区二区三区高清-国产精品呻吟av久久高潮 亚洲欧美另类色婷婷-亚洲欧美熟女一区-婷婷激情五月天影院-四季av人妻精品一区二区三区 | 久久久久久久久久久丰满-麻豆免费视频久久精品入口-久久亚洲精品国产精品-国产91乱子伦国产乱子伦 | 久久精品久久久久久久久久久久久-成人熟女视频一区二区三区-国产精品69久久-91偷偷噜噜噜夜夜 | 成人黄色免费观看网址-熟女阿b老熟女大片毛片-欧美熟妇人妻中文字幕-91九色视频在线看 | 欧美丰满少妇性极品hd-手机av日韩三级精品在线播放-在线观看亚洲欧美一区二区三区中文字幕-蜜臀av一区二区三区人妻 | 国产资源久久久精品-精品久久久久久久久福利-中文人妻久久蜜桃-欧美视频一区二区三区观看 | 久热综合在线亚洲精品-国产粉嫩粉嫩的18在线播放91-2019中文字幕手机在线第8页-欧美人妻中文在线字幕一区 | 成人午夜电影在线观看久久影视-欧美精品福利视频不卡-九九热这里直有精品-久久9蜜桃精品一区二区 | 成人午夜性色福利在线视频-性做久久久久久性欧美大战久久久-99热这里只有精品免费国产-成人区av一区二区三区 | 日本精品视频一区二区三区免费-麻豆免费在线观看视频网站-日韩高清av在线免费观看网址-激情丁香花五月天 | 国产精品久久久久精品香港乳瀑瀑-国产又粗又猛又黄又爽无遮掩-性色yyyyyy人妻中文字幕-久久精品,国产综合激情在线 | 亚洲一区二区aa-欧美日韩不卡视频全集-av亚洲va欧美va在线-欧美人妻少妇精品视50岁 | 色偷偷超碰巨乳系列-91麻豆精品av一区二区三区-99精品视频这里只有精品-久久精品久久久久观看99 久久久久久久久久乱码-超碰97成人在线视频-中文人妻字幕蜜桃久久久久久-av性色在线 尤物 | 91精品国产综合久久在线观看-国产婷婷色一区二区三区-国产一区二区三区在线观看呀-欧美黑人xxx黑人xxx最猛猛交 | 999久久久国产精品免费看-日韩av好好热在线播放-欧美日韩中国一级片-日韩人妻另类自拍 | 婷婷精品久久久久久久久久-97精品人妻一区二区三区精品-日韩精品中文在线视频-国产精品 日韩美女 | 人妻日韩亚洲中文字幕av-中文字幕一区精品在线-久久精品亚洲鲁鲁夜夜-蜜臀人妻四季av一区二区 | 伊人婷婷色激情-精品国产三级伦理久久久久久-日韩美女电影多人中文字幕-91中文字幕国产一区 | 91精品国产91久久久久久-高清欧美一区二区在线观看-麻豆精品国产传媒夏夏-久久嫩草精品久久精品网址 | 欧美 日韩综合在线-欧美日韩国产制服丝袜在线-欧美少妇内射精品-亚洲国产电影av麻豆 | 成人 免费 高清 在线-日韩亚洲人妻熟女-天天爽天天射天天操-精品日韩av久久爱 | 日本五十路熟女xx-久久99人妻免费精品一区-91精品久久久久久久亚洲国产-中文字幕av在线人妻 | 成人国产精品久久久久久-久久久久久久国产精品三级-日韩毛片网观看-亚洲av日韩不卡一区 | 久久久久久在在在-欧美激情另类其它-日韩一区二区三区不卡片-久久免费国产乱子精品 | 福利一区福利二区福利三区-国产一区二区视频大全-欧美日韩不卡在线播放-麻豆精品秘国产 | 懂色av一二三三区免费-国产福利一区二区三区四区-国产精品久久久,国产精品久久久-日韩aaa久久蜜桃av | 加勒比精品久久久久久-国产91精品久久久久-国产欧美一区二区视频免费观看-亚洲欧美另类丝袜 | 日本精品视频一区二区三区免费-麻豆免费在线观看视频网站-日韩高清av在线免费观看网址-激情丁香花五月天 | 亚洲综合一区免费在线观看-91精品久久在线播放-日本黄页网站视频免费观看-久久久久久人妻精品专区 | 国产精品视频免费看999-久久草国产免费视频-麻豆亚洲免费av-91九色视频在线免费观看 | 国产精品999re-av成人在线观看网站-日韩亚洲精品免费视频-人妻妻体体内射精一区二区 | 中文字幕亚洲熟女在线-日韩美精品在线观看-一本色道久久88综合人人亚洲品-av丝袜欧美老另类 | 亚洲一区二区三区免费在线观看-欧美日韩一二三区在线视频-99热这里只有精品在线观看-久久久久久久久久久久久亚洲 | 久久精品一区二区三区蜜桃臀-色综合狠狠久久-超碰人妻中文字幕伊人-超碰在线播放97国产 | 国产精品费久久久久久久久-97日韩美女视频网-国产精品人妻人伦a v久久-国产精品久久久老熟女 | 日韩中文字幕在线观看的-国产一区二区三区日韩-亚洲精品亚洲欧洲日韩av-91人妻精品一区二区三区久久久 | 国产欧美日韩激情在线-久久精品91久久久久-91精品国产色综合久久8-精品丰满熟妇高潮一区 | 国产激爽爽爽大片在线观看-97久久亚洲中文视频-久久久久中文字幕人妻-国产蜜臀久久久久久网 | 中文字幕在线有码视频-91日韩精品久久久久精品-天天干美女天天操美女-国产又粗又猛又爽又黄无套进入 | 久久久精品熟女亚洲av麻豆-国产精品久久久久久久紧-欧美日韩亚洲高清专区-国产又大又黄又黑又粗 不卡一区二区三区免视频播放-九九99热久久精品在线-日韩在线看的毛片-熟妇人妻无乱码中文字幕蜜桃 | 97超碰免费人人澡-中文字幕久久免费-国产成人av亚洲精品久久久久-精品久久久久久久人妻蜜臀av |