CN2479184Y - 石油地矿勘探用单螺旋翼钻头 - Google Patents

石油地矿勘探用单螺旋翼钻头 Download PDF

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CN2479184Y
CN2479184Y CN 01222869 CN01222869U CN2479184Y CN 2479184 Y CN2479184 Y CN 2479184Y CN 01222869 CN01222869 CN 01222869 CN 01222869 U CN01222869 U CN 01222869U CN 2479184 Y CN2479184 Y CN 2479184Y
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drill bit
rig
bit
bit body
wing drill
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常存儒
张向前
汪凤芹
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BGP Inc
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MACHINERY PLANT EQUIPMENT MANUFACTURE GENERAL PLANT PETROLEUM GEOPHYSICAL EXPLORATION BUREAU
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Abstract

一种石油地矿勘探用单螺旋翼钻头,包括钻柄、钻头体、合金块、翼面,其钻头体上设置有螺旋翼面;单螺旋翼钻头是通过钻杆与钻机的动力头相联结而挂在钻机的井架上,采用液压系统实现钻机的钻头旋转、提升和钻进,可快速、有效地清除泥土,避免发生泥包现象,大大提高了钻井效率;本实用新型具有成孔好,进尺快,穿透力强等特点,可广泛用于松软土层及胶泥层的地震勘探钻井,特别适用于硬胶泥层的地震勘探钻井。

Description

石油地矿勘探用单螺旋翼钻头
本实用新型涉及一种钻浅井的石油地矿勘探钻机部件,特别涉及一种石油地矿勘探钻机的单螺旋翼钻头。
目前,用于松软土层及胶泥层的地震勘探钻井的钻机普遍使用刮刀式钻头,在使用中发现刮刀式钻头在钻进这种软粘韧的泥土层时,清除泥土的能力不足,泥土不易排出,形成大量的泥土阻塞,使钻头发生泥包现象,使钻进发生困难,致使钻井效率大为降低。
本实用新型的目的在于提供一种可快速、有效地清除泥土,避免发生泥包现象,钻井效率高的石油地矿勘探用单螺旋翼钻头。
本实用新型的目的是这样实现的:一种石油地矿勘探用单螺旋翼钻头,包括钻柄、钻头体、合金块、翼面,其特征在于钻头体上设置有螺旋翼面。钻柄、钻头体、翼面为精铸整体成型。翼面呈顺时针螺旋上升状。钻头体上焊接有硬质合金块。钻头体上设置有高压喷射孔。
本实用新型单螺旋翼钻头可装在石油地矿勘探型钻机上,单螺旋翼钻头是通过钻杆与钻机的动力头相联结而挂在钻机的井架上,采用液压系统实现钻机的钻头旋转、提升和钻进,这种单螺旋翼钻头可快速、有效地清除泥土,避免发生泥包现象,大大提高了钻井效率;本实用新型具有成孔好,进尺快,穿透力强等特点,可广泛用于松软土层及胶泥层的地震勘探钻井,特别适用于硬胶泥层的地震勘探钻井。
附图说明
图1为本实用新型结构示意图的主视图;
图2为图1中A-A视图;
图3为图1中C向视图。
下面结合附图及实施例对本实用新型作进一步说明:
参阅图1、图2、图3所示,石油地矿勘探用单螺旋翼钻头主要是由钻柄1、钻头体2、喷射孔3、合金块4、5、翼面6等构成的,其钻柄1、钻头体2、翼面6材质为铸钢,采用精铸整体成型。所述的钻头体2上设置有单螺旋翼面6,翼面6绕钻头体2外围呈顺时针螺旋上升状,翼面6外缘采用铜焊焊接有硬质合金块4,钻头体2头部顶端采用铜焊焊接有硬质合金块5,钻头体2上设置有高压喷射孔3,并与钻头体2的中心孔相通,用于输送洗井介质。
本实用新型的尾部是钻柄1,内设有螺纹孔,可通过螺纹孔与钻杆联结,使钻头与钻杆同步工作,钻杆与钻机的动力头采用螺纹孔相联结而挂在钻机的井架上,并采用液压系统实现钻机的钻头旋转、提升和钻进。本实用新型的硬质合金块4可以按30度角均匀分布在钻头体2头部的螺旋翼面6上,硬质合金块5焊接在钻头体2头部顶端,使钻头易于钻进,且抗磨损,延长钻头使用寿命。高压喷射孔3设置在钻头体2头部的两侧壁,易于高压水喷射而出,与泥土混合,降低泥土的粘韧程度,使泥土沿着螺旋翼面6自井底向上升起,可快速、有效地清除泥土,避免发生泥包现象,改善钻进困难,提高钻井效率。

Claims (5)

1、一种石油地矿勘探用单螺旋翼钻头,包括钻柄、钻头体、合金块、翼面,其特征在于钻头体(2)上设置有螺旋翼面(6)。
2、根据权利要求1所述的石油地矿勘探用单螺旋翼钻头,其特征在于钻柄(1)、钻头体(2)、翼面(6)为精铸整体成型。
3、根据权利要求1或2所述的石油地矿勘探用单螺旋翼钻头,其特征在于翼面(6)呈顺时针螺旋上升状。
4、根据权利要求1或2所述的石油地矿勘探用单螺旋翼钻头,其特征在于钻头体(2)上焊接有硬质合金块(5)。
5、根据权利要求1或2所述的石油地矿勘探用单螺旋翼钻头,其特征在于钻头体(2)上设置有高压喷射孔(3)。
CN 01222869 2001-04-29 2001-04-29 石油地矿勘探用单螺旋翼钻头 Expired - Fee Related CN2479184Y (zh)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101906938A (zh) * 2010-07-27 2010-12-08 段正利 钻头
CN102305023A (zh) * 2011-08-31 2012-01-04 曹玉升 螺旋钻杆旋转n个360°自动除泥机械装置
CN104076389A (zh) * 2014-06-06 2014-10-01 中国石油集团东方地球物理勘探有限责任公司 一种分体式泥枪震源钻具

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101906938A (zh) * 2010-07-27 2010-12-08 段正利 钻头
CN101906938B (zh) * 2010-07-27 2012-08-29 段正利 钻头
CN102305023A (zh) * 2011-08-31 2012-01-04 曹玉升 螺旋钻杆旋转n个360°自动除泥机械装置
CN104076389A (zh) * 2014-06-06 2014-10-01 中国石油集团东方地球物理勘探有限责任公司 一种分体式泥枪震源钻具

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Granted publication date: 20020227