The wellhead part mainly includes the controlling device, the pneumatic valve, the blowout control box, the damping spring and the plunger catcher, and the downhole part consist of the combination tubing, the buffer spring, the tubing spider and the plunger which reciprocated between the tubing.

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Although the application was developed in a field where conditions justified a bullhead squeeze down the existing completion tubing, well conditions in other fields may warrant the use of concentric or coil tubing to circulate the slurry to the perforations and then to squeeze the slurry into the zone.

雖然應(yīng)用開發(fā)的一個(gè)領(lǐng)域條件有道理緣擠壓下來完成現(xiàn)有油管，條件好www.欧美性爱。com，在其他領(lǐng)域可能需要使用同心圓線圈或油管分發(fā)泥漿向齒孔JIZZ公共狂露，然后擠壓成漿區(qū)。

To assemble, use a little lubricant on the stem of the burette (5003-25) and the level bottle (5047) and immerse the connection tubing (5052) and the rubber coupling (5046) in hot water to facilitate insertion of the tubing.

裝配一区二区黄色一级片毛片， 用少許潤(rùn)滑劑在滴管桿(5003-25)午夜国产理论，水平瓶子(5047)，浸入連接管(5052)国产偷窥真人视频在线观看，橡膠連接(5046)在熱水中浸泡使之容易連接美女裸体黄18禁网站。

We also develop special purpose Anti- Sulfured Hydrogen Tubing and Endure Cauterization Tubing which upgrade the competitive force and science and technology content.

同時(shí)開發(fā)特殊用途的防硫化氫油管，耐腐蝕油管等老外肏中国女人屄HD，從而提升了產(chǎn)品的競(jìng)爭(zhēng)力和科技含量精品无码麻豆AV福利网。

Firstly, this paper researched the mechanism of tubing string vibration when natural gas flows in horizontal well tubing string. Secondly, established whole tubing string undamped and damped vibration system model according as reasonable assumption data of one horizontal well. Apply finite element analysis software to calculate tubing string natural characters, simple harmonic dynamic behavior of stable gas production and nonlinear dynamic behavior. Finally, this paper carried out the safety varied frequency of gas well and the method of vibration reduction.

本文首先從理論和數(shù)值模擬研究了天然氣在水平井油管柱內(nèi)的流動(dòng)誘發(fā)油管柱振動(dòng)的機(jī)理，然后在合理假設(shè)的基礎(chǔ)上結(jié)合某水平井?dāng)?shù)據(jù)建立了全井段油管柱無阻尼和有阻尼振動(dòng)系統(tǒng)模型性欧美首页，利用有限元軟件計(jì)算分析了油管柱固有特性肏穴视频在线观看、穩(wěn)產(chǎn)簡(jiǎn)諧動(dòng)力學(xué)響應(yīng)和非線性動(dòng)力學(xué)響應(yīng)日韩免费一级视频在线观看，針對(duì)油管柱振動(dòng)規(guī)律提出了天然氣安全調(diào)節(jié)頻率范圍和減振措施。

It can protect the excluder from being destroyed by distorted bushing and ravel out the deflective fray and guide problems,reduce destruction of the tubing string coupling and the tubing string,extend the expectancy of tubing string.

設(shè)計(jì)了一種新型采油工藝管柱導(dǎo)向器A,黄片免费视频，通過應(yīng)用該導(dǎo)向器十八大禁黄网，在作業(yè)中實(shí)現(xiàn)管柱鉸接，可有效解決由套管套變引起的封隔器損壞国产专区一、失效現(xiàn)象人人干摸操日，起到保護(hù)封隔器膠筒的作用。

As Coiled Tubing, there are 30 sets of Coiled Tubing Working trucks in China and 30 million yuan ' s (200 thousand meters) requirement. It is broadly used in Tuha, Sichuan, Daqing and Shengli and so on oilfields. Freet ' s Coiled Tubing Working Truck worked in Hekou, Shengli, Zhuangxi, Chunliang and so on oil extraction fields to take the wax-cleaning, sand-washing work and achieved great effect. There are 1,050 sets of working trucks abroad and annual requirement is 1.5 to 2 billion yuan (8 million meters).

對(duì)于連續(xù)油管五月丁香六月婷综合综合久久，目前國(guó)內(nèi)有30臺(tái)連續(xù)油管作業(yè)車官方网站夫妻一级黄色录像片子，每年需求在3000萬元左右（20萬米），廣泛應(yīng)用于吐哈日韩午夜理论片中文字幕、四川国产福利在线免费、遼河、大慶想要插下面高潮视频、勝利等油田美女裸体黄污18禁网站，我公司的連續(xù)油管作業(yè)車先后在勝利油田的河口、勝利欧美湿鸡视频在线、樁西色羞羞在线视频、純梁等采油廠進(jìn)行清蠟、沖砂等作業(yè)欧美三级在线日韩，效果顯著亚洲插下面视频；國(guó)外有1050臺(tái)作業(yè)車，每年需求量在15-20億元左右（800萬米）A片免费看免费网址。

The tubing fabric ,the anti-seepage film and the resin and the composite technology are introduced,and the different application performance of the tubing plain weave,tubing weft pile weave and tubing warp knitting is analyzed.

闡述了管狀織物av资源网站在线、防滲膜及樹脂材料的選擇及其復(fù)合工藝，分析了管狀平紋織物一区二区三区免费视频在线播放、管狀緯起絨織物和管狀經(jīng)編針織物的不同應(yīng)用性能黄色福利av网址，也對(duì)管狀紡織復(fù)合材料進(jìn)行了物理性能與耐化學(xué)腐蝕性能測(cè)試。

In the light of the shortcomings of the traditional method for predicting the fatigue life of coiled tubing, a new method for the reliability analysis of coiled tubing is offered, that is, normalizing the fatigue test data of coiled tubing with different materials and stress states by introducing a compound random variable X=NS2 based on low cycle fatigue curves.

預(yù)測(cè)連續(xù)油管疲勞壽命傳統(tǒng)方法是將許多試樣在不同應(yīng)力水平的循環(huán)載荷作用下進(jìn)行試驗(yàn)直至失效性色AV网站免费，從而作出S－N曲線免费黄色毛片视频，供工程參考，這樣不僅費(fèi)用高偷偷自拍亚洲色图，且模擬實(shí)際應(yīng)力條件也較困難99热只有这里最精品。為此，根據(jù)低周疲勞曲線午夜视频入口，通過引入復(fù)合隨機(jī)變量X=NS2图片区激情小说，對(duì)不同材料和應(yīng)力水平下的連續(xù)油管疲勞實(shí)驗(yàn)數(shù)據(jù)進(jìn)行了歸一化處理。

During past 2 years, we produced milkly white fused quartz tubing, non-ozone quartz tubing, UV stop quartz glass tubing, sunshine quartz tubing on the basis of common quartz tubing, they are widely used in electric industry, electric lamp-house, chemical, nuclear industry, etc, and won users'trust and favorable comments .Our co. also holds advanced full analyse and finished product and detect system. The 2 sets of infrared photometers have being used in the process of producing, and control effectively the content of hydroxy in the quartz products.

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