This type of production tree has been applied in tarim oilfield for more than ten wells and achieved a better result.

此种采油树在塔里木探区推广应用十多井次，使用效果良好。

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And the big tubing cross and the double barrel structures are compose the production tree the major component, is also the entire installment main bearing pressure part.

其中大四通和双管结构是组成采油树的主要部件，也是整个装置的主要承压部件。

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The utility model provides an integral petroleum production tree, which is characterized in that a pipe cross and mutually connected main bars are a hollow and cuboid integral forging piece;

本实用新型提供一种整体式采油气树，其特征是四通和相互连接的主杆为一个空心长方体的整体锻压件；

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Now we are just hours or at most a handful of days until the various valves of the Production Tree are fully tested and declared ready to go.

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The knowledge behind the practice of building the daldal is now known to all male members of the community, but some Irob men are regarded as more skilful than others in adapting and improving the daldal and in experimenting with different ways of using the niches that they have created for crop, grass and tree production.

UNESCO: Title

For each tree used in production, 100 are replanted through Vers' partnership with The Arbor Day Foundation and the U.S. Forestry Service.

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