• <abbr id="cyced"></abbr>
          1. 亚洲成av人片一区二区三区,免费无码av一区二区三区,日韩大片在线永久免费观看网站,日本熟妇中文字幕三级,国产精品女同久久久久电影院,日韩成人无码毛片一区二区,亚洲另类欧美综合久久,精品日产高清卡4卡5区别

            Products & services

            Hilong Gas Sealed Connection

            Product Introduction

            HLDT-GS® can be used in Drill Stem Testing (DST) operation, hydraulic fracturing, well completion and underbalanced drilling with high metal-to-metal internal seal performance under gas pressure loading. Compared with the traditional single function drill string, using HLDT-GS® drill string can save time and reduce cost.

            Product Advantage

            Compared to API connections, HLDT-GS® has the following features:
            ·The use of double shouldered compound sealing structure allows the smooth transition of inner diameter, and smooth metal surface elastic interference fit achieves metal-to-metal seal.
            ·Seal integrity is not affected by tensile load and multiple drilling trips.

            Product Specification

            HLDT-GS®26, HLDT-GS®31, HLDT-GS®38, HLDT-GS®40, HLDT-GS®46, HLDT-GS®50, HLDT-GS®55 and HLDT-GS®65, the sealing structure can be applied to API Spec 7-2 and non-API rotary shouldered connections.

            Product Performance

            Good sealing performance, gas sealing capacity up to 15000 PSI (105MPa).

            主站蜘蛛池模板: 成人无遮挡18禁免费视频| 国产激情综合五月久久| 亚洲精品第一国产综合境外资源 | 国产无遮挡又黄又爽无vip| 99热成人精品国产免费| 亚洲综合天天夜夜久久| 人人爽人人片人人片av| 亚洲精品aa片在线观看国产| 欧美婷婷六月丁香综合色| 亚洲mv国产mv在线mv综合试看 | 少妇愉情理伦片丰满丰满| 国产三级精品三级男人的天堂| 久久精品香蕉绿巨人登场| 欧美牲交a欧美牲交vdo18| 337p日本欧洲亚洲大胆张筱雨| 青青草99久久精品国产综合| 无翼乌工口全彩肉肉无遮挡18| 欧美人妻aⅴ中文字幕| 人妻无码vs中文字幕久久av爆| 亚洲一区二区三区乱码在线欧洲| 人妻少妇精品视频一区二区三区 | 播五月开心婷婷欧美综合| h番动漫福利在线观看| www国产亚洲精品久久久日本| 国产 亚洲 中文在线 字幕| 久久精品黄aa片一区二区三区| 婷婷色香五月综合缴缴情| 特黄熟妇丰满人妻无码| 无码人中文字幕| 天堂中文在线www天堂在线| 国产情侣一区二区三区| 国产精品门事件av| 成人精品综合免费视频| 强奷乱码中文字幕熟女导航| 99久久精品国产综合| 亚洲 欧美 日韩 综合aⅴ电影 | 国产成人av三级在线观看按摩| 99热精品国自产拍天天拍| 一区二区三区视频| 国产92成人精品视频免费| 欧美人与性囗牲恔配 |