CN210460942U - 螺杆钻具上用的非对称型线马达及石油钻井工具 - Google Patents
螺杆钻具上用的非对称型线马达及石油钻井工具 Download PDFInfo
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- CN210460942U CN210460942U CN201920788313.6U CN201920788313U CN210460942U CN 210460942 U CN210460942 U CN 210460942U CN 201920788313 U CN201920788313 U CN 201920788313U CN 210460942 U CN210460942 U CN 210460942U
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- hypocycloid
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名称 | 普通内摆线 | 短幅内摆线 |
最大定子半径 | 61.1mm | 61.1mm |
最小定子半径 | 45.73mm | 45.74mm |
等距半径 | 14.98 | 13mm |
偏心距 | 7.69mm | 7.68mm |
过流面积 | 24.06 | 23.8 |
凸比 | 1.54 | 2.13 |
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CN201920788313.6U CN210460942U (zh) | 2019-05-29 | 2019-05-29 | 螺杆钻具上用的非对称型线马达及石油钻井工具 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113202688A (zh) * | 2021-05-25 | 2021-08-03 | 中石化江钻石油机械有限公司 | 一种提高使用寿命的螺杆马达及井下动力钻具 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113202688A (zh) * | 2021-05-25 | 2021-08-03 | 中石化江钻石油机械有限公司 | 一种提高使用寿命的螺杆马达及井下动力钻具 |
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Effective date of registration: 20220221 Address after: 253500 north of the middle section of Beichen Road, economic development zone, Lingcheng District, Dezhou City, Shandong Province Patentee after: SHANDONG LUHAI NEW ENERGY TECHNOLOGY CO.,LTD. Address before: 253500 Shandong Luhai Petroleum Technology Co., Ltd., middle section of Beichen Road, Lingcheng Economic Development Zone, De Zhou City, Shandong Province Patentee before: SHANDONG LUHAI PETROLEUM TECHNOLOGY CO.,LTD. |
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Effective date of registration: 20220628 Address after: 253500 No. 6, Beichen Road, economic development zone, Lingcheng District, De Zhou City, Shandong Province Patentee after: SHANDONG LUHAI PETROLEUM TECHNOLOGY CO.,LTD. Address before: 253500 north of the middle section of Beichen Road, economic development zone, Lingcheng District, Dezhou City, Shandong Province Patentee before: SHANDONG LUHAI NEW ENERGY TECHNOLOGY CO.,LTD. |
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Denomination of utility model: Asymmetric profile motors and oil drilling tools for screw drilling tools Effective date of registration: 20230118 Granted publication date: 20200505 Pledgee: Dezhou Lingcheng Rural Commercial Bank Co.,Ltd. Pledgor: SHANDONG LUHAI PETROLEUM TECHNOLOGY CO.,LTD. Registration number: Y2023980031610 |
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Date of cancellation: 20230608 Granted publication date: 20200505 Pledgee: Dezhou Lingcheng Rural Commercial Bank Co.,Ltd. Pledgor: SHANDONG LUHAI PETROLEUM TECHNOLOGY CO.,LTD. Registration number: Y2023980031610 |
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Denomination of utility model: Asymmetric linear motors and petroleum drilling tools used on screw drilling tools Effective date of registration: 20230621 Granted publication date: 20200505 Pledgee: Dezhou Lingcheng Rural Commercial Bank Co.,Ltd. Pledgor: SHANDONG LUHAI PETROLEUM TECHNOLOGY CO.,LTD. Registration number: Y2023980044500 |
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