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1. 发明授权

US09297219B2 Umbilical buckling testing 有权
标题翻译：脐带屈曲试验
公开(公告)号：US09297219B2
公开(公告)日：2016-03-29
申请号：US14500925
申请日：2014-09-29
申请人： DMAR ENGINEERING, INC.
发明人： Zhiming Huang , Dagang Zhang
IPC分类号： E21B7/12 , E21B17/20 , E21B41/00 , E21B47/00 , G01N3/08 , G01N3/20
CPC分类号： E21B17/20 , E21B41/0007 , E21B47/0006 , G01N3/08 , G01N3/20
摘要： Apparatus and methods related to umbilical buckling testing are described. For example, some embodiments may contain two damps, a plurality of test fittings, one or more pressure gages, a hydraulic cylinder, and a testing platform, and may be used for testing the umbilical buckling behavior and capacity of an umbilical testing sample.
摘要翻译：描述了与脐带屈曲试验相关的装置和方法。例如，一些实施例可以包含两个阻尼器，多个测试配件，一个或多个压力计，液压缸和测试平台，并且可以用于测试脐带测试样品的脐带屈曲行为和容量。

2. 发明授权

US09157844B2 Bending testing 有权
标题翻译：弯曲试验
公开(公告)号：US09157844B2
公开(公告)日：2015-10-13
申请号：US14288366
申请日：2014-05-27
申请人： DMAR ENGINEERING, INC.
发明人： Zhiming Huang , Dagang Zhang
IPC分类号： G01N3/20 , E21B49/00
CPC分类号： G01N3/20 , E21B49/001 , E21B49/003 , G01M5/0058
摘要： Apparatus and methods related to bending testing are described. For example, some embodiments may contain a clamp with pivot pin, pellet, tensioning device, and supporting platform, which can be used for testing the bending characteristics, such as bending stiffness, of a testing sample, which can be slender structures such as umbilicals, flexibles, and rigid pipes.
摘要翻译：描述与弯曲试验相关的装置和方法。例如，一些实施例可以包含具有枢转销，丸粒，张紧装置和支撑平台的夹具，其可以用于测试测试样品的弯曲特性，例如弯曲刚度，其可以是细长结构，例如脐带，柔性管和刚性管。

3. 发明授权

US09417168B2 Fatigue testing 有权
标题翻译：疲劳试验
公开(公告)号：US09417168B2
公开(公告)日：2016-08-16
申请号：US14500918
申请日：2014-09-29
申请人： DMAR ENGINEERING, INC.
发明人： Yongtian Kang , Dagang Zhang , Zhiming Huang , Quan Yuan
IPC分类号： G01N3/08 , G01N3/20 , G01N3/22 , G01N3/32
CPC分类号： G01N3/20 , G01M5/0058 , G01N3/08 , G01N3/22 , G01N3/32 , G01N2203/0021 , G01N2203/0023 , G01N2203/0037 , G01N2203/0073 , G01N2203/0274
摘要： Apparatus and methods related to fatigue testing are described. For example, some embodiments may contain a terminal fixer, a terminal support, a bending machine, and a stress-strain collector, and may be used for testing fatigue properties of offshore pipes, risers and their connectors. Some embodiments may be used to apply extruding, twisting and high frequency bending to the testing sample during one testing period, so that the various fatigue properties of the testing sample can be obtained.
摘要翻译：描述与疲劳试验相关的装置和方法。例如，一些实施例可以包含端子固定器，端子支撑件，弯曲机器和应力应变收集器，并且可以用于测试海上管道，立管及其连接器的疲劳特性。一些实施例可以用于在一个测试期间对测试样品施加挤压，扭曲和高频弯曲，从而可以获得测试样品的各种疲劳特性。

4. 发明授权

US09989168B2 Pipeline freespan support 有权
公开(公告)号：US09989168B2
公开(公告)日：2018-06-05
申请号：US15176189
申请日：2016-06-08
申请人： DMAR ENGINEERING, INC.
发明人： Zhiming Huang , Dagang Zhang
IPC分类号： F16L1/14 , F16L1/16 , F16L1/20 , F16L3/11 , F16L3/22 , E04G1/06 , F16L1/12 , F16L3/02 , F16L3/00 , F16L3/08 , E04G7/24
CPC分类号： F16L1/14 , E04G1/06 , E04G7/24 , F16L1/123 , F16L1/16 , F16L1/20 , F16L3/00 , F16L3/02 , F16L3/08 , F16L3/22
摘要： Apparatus and methods related to pipeline freespan support are described. For example, some embodiments may contain an upper structure, which contains at least four legs connected to one another by a number of bracing members, and a number of attachment points through which the upper structure can be lifted, and a lower structure, which contains at least four posts that can be connected to, and disconnected from as needed, the four legs of the upper structure, two spaced mud mats on which the posts stand, and at least two horizontal arms that can be attached to the posts, rotate about the posts, connect to and be locked with the posts on the other mud mat, and be lifted to an appropriate height to provide suitable support at the pipeline freespan location.

5. 发明授权

US09500559B2 Damping testing 有权
标题翻译：阻尼测试
公开(公告)号：US09500559B2
公开(公告)日：2016-11-22
申请号：US14500934
申请日：2014-09-29
申请人： DMAR ENGINEERING, INC.
发明人： Zhiming Huang , Dagang Zhang
IPC分类号： G01M7/02 , G01M5/00 , G01M7/04
CPC分类号： G01M5/0058 , G01M5/0066 , G01M7/022 , G01M7/027 , G01M7/04
摘要： Apparatus and methods related to damping testing are disclosed. For example, some embodiments may contain a testing platform supported on wheels and moveable by hydraulic cylinders, and two fasteners for fastening the testing sample, one fixed on the testing platform and the other moveable along the testing platform by another hydraulic cylinder, and may be used for the damping testing of slender structures such as umbilicals and flexibles used in oil and gas underwater field development.
摘要翻译：公开了与阻尼测试相关的装置和方法。例如，一些实施例可以包含支撑在车轮上并由液压缸可移动的测试平台，以及用于紧固测试样本的两个紧固件，固定在测试平台上的一个紧固件，另一个固定在测试平台上，另一个固定在测试平台上，用于石油和天然气水下场发展中使用的细长结构如脐带和挠性物的阻尼测试。

6. 发明授权

US09618435B2 Umbilical bend-testing 有权
公开(公告)号：US09618435B2
公开(公告)日：2017-04-11
申请号：US14500928
申请日：2014-09-29
申请人： DMAR ENGINEERING, INC.
发明人： Yongtian Kang , Dagang Zhang , Zhiming Huang , Quan Yuan
IPC分类号： G01N3/08 , G01N3/20 , G01M5/00
CPC分类号： G01N3/08 , G01M5/0025 , G01M5/0075 , G01N3/20 , G01N2203/0266 , G01N2203/0274
摘要： Apparatus and methods related to umbilical bend-testing are described. For example, some embodiments may contain a three-level support structure, umbilical terminal locker, bending machine, compression testing device, and stress-strain collection system, and may be used for the bending fatigue endurance test for umbilical samples.

7. 发明授权

US09388917B2 Pipeline freespan support 有权
标题翻译：管道自由支持
公开(公告)号：US09388917B2
公开(公告)日：2016-07-12
申请号：US14286991
申请日：2014-05-24
申请人： DMAR ENGINEERING, INC.
发明人： Zhiming Huang , Dagang Zhang
IPC分类号： F16L1/20 , F16L3/22 , F16L1/14 , F16L1/16 , E04G1/06 , F16L1/12 , F16L3/02
CPC分类号： F16L1/14 , E04G1/06 , E04G7/24 , F16L1/123 , F16L1/16 , F16L1/20 , F16L3/00 , F16L3/02 , F16L3/08 , F16L3/22
摘要： Apparatus and methods related to pipeline freespan support are described. For example, some embodiments may contain an upper structure, which contains at least four legs connected to one another by a number of bracing members, and a number of attachment points through which the upper structure can be lifted, and a lower structure, which contains at least four posts that can be connected to, and disconnected from as needed, the four legs of the upper structure, two spaced mud mats on which the posts stand, and at least two horizontal arms that can be attached to the posts, rotate about the posts, connect to and be locked with the posts on the other mud mat, and be lifted to an appropriate height to provide suitable support at the pipeline freespan location.
摘要翻译：描述了与管道自由支撑相关的装置和方法。例如，一些实施例可以包含上部结构，其包括通过多个支撑构件彼此连接的至少四个腿，以及可以提升上部结构的多个附接点，以及下部结构，其包含至少四个柱，其可以根据需要连接到上部结构的四条腿，两个间隔开的泥浆垫在柱上支撑，并且至少两个水平臂可以附接到柱上，围绕柱子连接并与其他泥浆垫上的柱锁定，并被提升到适当的高度，以便在管道自由式位置提供适当的支撑。

8. 发明授权

US09823159B2 Low cycle fatigue testing 有权
公开(公告)号：US09823159B2
公开(公告)日：2017-11-21
申请号：US14658245
申请日：2015-03-16
申请人： DMAR ENGINEERING, INC.
发明人： Zhiming Huang , Dagang Zhang
IPC分类号： G01M3/28 , G01N3/36 , G01N3/20
CPC分类号： G01M3/2884 , G01M3/2846 , G01N3/20 , G01N3/36 , G01N2203/0023 , G01N2203/0048 , G01N2203/0073 , G01N2203/0274
摘要： Apparatus and methods related to low cycle fatigue testing are described. For example, some embodiments may contain a control box, two fitting connections, a pressure gauge, a plurality of clamps, a plurality of hydraulic cylinders, a plurality of control cables, and a strain gauge, for testing the low cycle fatigue properties of a testing specimen, for example, a steel tube umbilical.

9. 发明授权

US09598912B2 Riser joint connection 有权
公开(公告)号：US09598912B2
公开(公告)日：2017-03-21
申请号：US14599523
申请日：2015-01-18
申请人： DMAR ENGINEERING, INC.
发明人： Zhiming Huang , Dagang Zhang
IPC分类号： E21B17/046 , E21B17/08
CPC分类号： E21B17/085
摘要： Apparatus and methods related to riser joint connection are described. For example, some embodiments may contain a central coupler, a plurality of reaction collars, collar stoppers, collar caps, and C-rings, for connecting riser joints.

10. 发明授权

US09310234B2 Flow rate testing to locate tube obstruction 有权
标题翻译：流量测试定位管阻塞
公开(公告)号：US09310234B2
公开(公告)日：2016-04-12
申请号：US14337222
申请日：2014-07-22
申请人： DMAR ENGINEERING, INC.
发明人： Zhiming Huang , Dagang Zhang
IPC分类号： G01F1/34
CPC分类号： G01F1/34 , G01F25/0007
摘要： A hydraulic power unit, a flow meter, and a pressure gauge couple to a first end of a tube under testing. The hydraulic power unit provides an inlet pressure to move a testing fluid through the tube. The flow meter measures a flow rate of the testing fluid and the pressure gauge measures the inlet pressure. An accelerometer measures sound and vibration of the tube. A reservoir couple to an outlet of the tub and an inlet of the hydraulic power unit. The reservoir supplies the testing fluid to the hydraulic power unit and collects the testing fluid from the tube. Hoses interconnect the components in a closed loop that reuses the testing fluid. By analyzing the flow rate, it is determined if an obstruction exist in the tube. By analyzing the inlet pressure and the sound and vibration of the tube, a location of the obstruction is determined.
摘要翻译：液压动力单元，流量计和压力表耦合到被测试管的第一端。液压动力单元提供入口压力以使测试流体通过管移动。流量计测量测试流体的流量，压力表测量入口压力。加速度计测量管的声音和振动。一个储液箱连接到水箱的出口和液压动力单元的入口。储存器将测试流体提供给液压动力单元并从管收集测试流体。软管将组件连接在重新使用测试流体的闭环中。通过分析流量，确定管中是否存在阻塞物。通过分析入口压力和管的声音和振动，确定阻塞的位置。

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