刀翼式孕镶金刚石钻头设计及在哈山101井的应用

张进双; 张增宝; 王学才

doi:10.11911/syztjs.2019083

刀翼式孕镶金刚石钻头设计及在哈山101井的应用

doi: 10.11911/syztjs.2019083

1.
中国石化石油工程技术研究院，北京 100101
2.
中国石化胜利油田分公司油气勘探管理中心，山东东营 257000
3.
中石化胜利石油工程有限公司塔里木分公司，山东东营 257000

基金项目: 国家科技重大专项“大型油气田及煤层气开发”之课题“海相碳酸盐岩超深油气井关键工程技术”（编号：2017ZX05005-005）资助

详细信息

作者简介:
张进双（1973—），男，河北唐山人，1996年毕业于西北工业大学机械电子专业，2003年获石油大学（北京）油气井工程专业博士学位，高级工程师，主要从事超深井钻井技术研究、风险探井工程设计和现场技术服务工作。E-mail：zhangjs.sripe@sinopec.com

中图分类号: TE921⁺.1
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出版历程
- 收稿日期: 2018-10-23
- 修回日期: 2019-06-21
- 网络出版日期: 2019-07-27

The Design of Blade Type Diamond-Impregnated Bit and It’s Application in Well Hashan 101

1.
Sinopec Research Institute of Petroleum Engineering, Beijing, 100101, China
2.
Oil & Gas Exploration and Management Center, Sinopec Shengli Oilfield Company, Dongying, Shandong, 257000, China
3.
Tarim Drilling Company, Sinopec Shengli Oilﬁeld Service Corporation,Dongying, Shandong,257000, China

摘要

摘要:
为提高准噶尔盆地哈山区块火山岩地层机械钻速、增大单只钻头进尺、降低井眼失稳掉块卡钻风险，设计了刀翼式孕镶金刚石钻头。在分析地层岩石的力学特性的基础上，研发了新型胎体合金材料，以提高钻头研磨性；镶嵌孕镶切削块，以增强钻头破岩能力；优化设计了刀翼式孕镶金刚石钻头的结构和防卡流道，防止钻头卡死。研究发现，超细合金材料相互联结成键、牢固烧结，钻头胎体力学性能提高30%以上。刀翼式孕镶金刚石钻头配合高速大扭矩螺杆钻具在哈山101井火山岩地层进行了应用，单只钻头进尺增大4倍，机械钻速提高54.3%。研究结果表明，刀翼式孕镶金刚石钻头可以降低掉块卡钻风险，可实现火山岩地层安全高效钻进。
- 火山岩 /
- 安全钻井 /
- 机械钻速 /
- 刀翼式孕镶金刚石钻头 /
- 哈山101井 /
- 哈山区块
Abstract:
In order to improve the ROP in the volcanic rock formation of the Hashan Area in Junggar Basin, increase the footage of single drill bit, and reduce the risks of wellbore instability and caving, the bit design for rapid drilling was carried out. The mechanical performance of the formation rock was analyzed by a full-scale coring indoor test. On this basis, a new matrix alloy material was developed to improve the grinding performance of the bit. Then, the impregnated cutting block was used to enhance the rock breaking ability, and the blade-type impregnated bit structure and the anti-sticking flow path were optimized. The caving falling into the oblique chip flute could be pushed upward to prevent the bit from being stuck. It was found that the ultra-fine alloy materials could be bonded to each other to form a firm adhesion, and the mechanical performance of bit matrix improved by more than 30%. The blade-type impregnated drill bit was used in the volcanic rock formation of Well Hashan 101 associated with a high-speed and high-torque screw power drill, the single bit footage was increased by 4 times and the ROP was increased by 54.3%. This technology also effectively reduced the risk of caving and sticking, and became an effective technical measure for safe and efficient drilling in such formations.
- volcanic rock /
- safe drilling /
- penetration rate /
- blade type diamond-impregnated bit /
- Well Hashan 101 /
- Hashan Block

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图 1 哈山101井火山岩地层牙轮钻头出井形貌

Figure 1. POOH morphology of roller bit after drilling in the volcanic rock formation of Well Hashan101

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图 2 哈山101井稠浆携岩返出掉块

Figure 2. Caving returns carried out by viscous mud of Well Hashan101

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图 3 刀翼式孕镶金刚石钻头改进前后的结构对比

Figure 3. Structural comparison of the blade-type impregnated diamond drill bit before and after improvement

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图 4 金刚石钻头晶体形貌和胎体粉末扫描电镜图

Figure 4. Crystal morphology of diamond bit and scanning electron micrograph of matrix powder

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表 1 哈山区块岩石力学试验结果

Table 1. Test results of the mechanical performance of coring rock in Hashan Block

样品编号	围压/ MPa	温度/ ℃	饱和状态	抗压强度/ MPa	杨氏模量/ GPa
hs101-3326-sp0	0	20	干燥	163.58	27.89
hs101-3326-sp45	0	20	干燥	158.44	26.98
hs101-3326-cz1	0	20	干燥	175.65	28.97
hs101-3937-cz1	0	20	干燥	288.79	59.72
hs101-3326-cz2	30	20	干燥	408.81	46.54
hs101-3326-cz3	60	20	干燥	530.60	55.48

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表 2 哈山区块部分完钻井的钻井技术指标

Table 2. Drilling technical indicators of some drilled wells in the Hashan Block

井号	井深/m	火山岩厚度/m	钻井周期/d	机械钻速/（m·h^–1）	钻头总量/只	牙轮钻头用量/只
哈山1井	2 554.00	2 008.00	105.4	1.86	29	20
哈山3井	4 139.80	3 532.80	412.3	1.24	62	52
哈深2井	5 238.26	5 148.30	823.8	0.73	162	142

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表 3 刀翼式孕镶金刚石钻头应用技术数据

Table 3. Technical data of blade-type impregnated diamond bit

序号	钻进井段/ m	进尺/ m	钻速/ （m·h^–1）	排量/ （L·s^–1）	转盘转速/ （r·min^–1）	螺杆转速/ （r·min^–1）	泵压/ MPa	钻压/ kN	备注
1	3 539.50～3 592.00	52.50	0.54	30	30～50	500	22.0	60～70	螺杆到寿命后起钻
2	3 592.00～3 639.89	47.89	0.44	30	30～50	500	22.5	70～80	泵压升高后起钻
3	3 814.10～3 848.52	34.42	0.42	30	30～50	500	23.0	80～100	钻速变慢后起钻

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