Hejian Hengji Bit Manufacture Co.,Ltd is located in Hejian,Hebei province.and is Chinese bit industry's emerging enterprises.The company is mainly engaged in the development of various series of bits, development, production and sales.
Hengji company has developed and mass-produced products 3 inches to 26 inches series steel tooth bit and tricone bit, various types of PDC bits, core bit and production and processing assembly 0.6 m to 3 m large diameter drill bits.Widely used in the oil, natural gas, hydrology, address, ore drilling engineering, product marketing the country and 20 countries and regions in the world.
Part two :PDC BIT type sheet
Bit type | Main bit size(mm) | Rock coefficient |
PDC core drill bit | Single pipe | 75/54.5 94/74 113/89 113/109 153/129 | 1-18 |
Two-pipes | 75/54.5 94/68 |
PDC center drill bit | Concave 3 wing bit | 60 75 94 113 133 | 1-18 |
Arc pillar | 60 75 94 113 133 | 4-18 |
Many wing scraper | 60 75 94 113 133 133 153 173 190 215 | 1-6 |
PDC Indexable drill bit | 153/94 153/113 190/153 190/113 | 1-18 |
Part three .PDC bit model Short Form
Series Code | Series Name | Blades number Code | Cutting teeth Size Code | Contour Code | Additional features Code |
F | F Series PDC drilling bit | 3 | 10 | 3/8in | 1 | short long | 1 | Round | J | Strengthen teeth |
4 | 13 | 1/2in | 2 | 4 | D | sidetracking\orientation\level |
5 | 16 | 5/8in | 3 | 7 | S | screw |
6 | 19 | 3/4in | 4 | 2 | Parabola | B | Double heart |
FQ | FQ Series PDC Coring bit | 7 | 25 | 1in | 5 | 5 |
8 | 6 | 8 |
9 | 7 | 3 | taper |
Part four.Operation Instructions on Hengji Tricone bit
1.Please select the applicable formation and parameters according to the instructions.
2.Selection of the appropriate nozzle according to the hydraulic parameters of the nozzle hole size differential is not too much to prevent erosion of the stream channel.
3.Before the bit running into the well, the user should carefully check the overall appearance and confirm that the serial number on the shank end is the same as those on the packing box and certificate.
4..The required bit operating procedures should be followed. After getting to the bottom hole, the bit must be running in slowly with lighter bit weight(WOB: 5-15KN, RPM: 60r/min) for 1/2 hour and then drilling ahead with normal WOB.
5.If abnormal damage(s) of the bit occurred, please contact the company and the packing box, inspection certificate, original performance records as well as the failure bit(with nozzles on ) should be kept for our view, or we are not responsible for it.
FAQ(Frequently Asked Questions)
1. How to order the products?
Answer:
Send the inquiry with detail item description or with Model number.
If there is no packing demand we take it as sea-way packing.
If possible please attach one reference picture to avoid any misunderstanding or any links from our website for we get a better understanding.
2. About lead time and shipping time?
Answer :
The lead time depend on quantity of order. Usually shipped by sea, small order or urgent order we can send you by air after received your agreement.
According the distance from china to your port, usually from China to European about 25 days. To West of American 20 days.
3.Can I expect a quality products?
Answer :
Yes. All our activities are accredited to ISO 9001:2008 and API, both in products and services, at the same time, mature production technology ensuring the quality satisfy international request.
