Product Description
The DJ surface bumper jar has been proven to be a safe and effective tool in releasing stuck tools in drilling operations throughout the years. It is generally connected at the surface section of the drill string during operations which require strong downward jarring impacts. The jarring force can be easily adjusted with the adjustable device located above the rotary disc. The surface bumper jar is easy to operate and is uniquely designed to support continuous down jarring.
Generally when the surface jar makes a jarring operation, the strong down jarring impact on the stuck tool can be clearly seen. Thus, the surface jar is built to withstand heavy load and strong torque. In addition, it possesses good sealing performance that can withstand mud circulation with high pump pressure.
Product Parameters
| Parameter/Model |
DJ46B (4 3/4") |
DJ70B (7") |
DJ70C (7") |
DJ80B (8″) |
| Product Code |
0208000 |
0213000 |
0213100 |
0215000 |
| O.D. (mm)(in) |
121 (4 3/4″) |
178 (7″) |
178 (7″) |
203 (8″) |
| Max.Jarring Force MN (tf) |
0.4 (41±5) |
0.68 (70±5) |
0.68 (70±5) |
0.68 (70±5) |
| Max.Tension Load MN (tf) |
1.2 (122.00) |
1.5 (153.00) |
1.5 (153.00) |
2.1 (214.30) |
| Sealing Pressure MPa (kgf/cm2) |
30 (294) |
30 (294) |
30 (294) |
30 (294) |
| Stroke(mm)(in) |
1500 (≈59″) |
1220 (≈48″) |
1800(≈70.87″) |
2000(≈78.75″) |
| I.D. (mm)(in) |
30 (1 3/16″) |
47 (1 7/8″) |
47 (1 7/8″) |
50 (Z″) |
| Connection |
NC38 |
NC50 |
NC50 |
NC50 |
| Closed Length (mm)(in) |
3095 (121.85″) |
3090 (121.8″) |
3670 (144.5″) |
3890 (153.15″) |
| Orginal Releasing Force (tf) |
15 |
20 |
20 |
20 |
| Weight (kg) |
170 |
450 |
500 |
730 |
Company Profile
Shandong Xilong Machinery Equipment Co Ltd.
Is a professional supplier of various oilfield eauipment in Donavina
Shandong.including APlcertified oil drilling and service equipment.oil production equipmentoil tubing wellhead and downhole tools and accessories.
1.The company has developed various types and complete specifications of oil drilling and production wellhead mechanized tools.
2.Company export countries:Sales cover the country's major oil fields and Europe the United States, the Middle EastCentral AsiaSouth east Asia and other regions.
3.To bring customers what roleshandong Xilong Mechanical machinery equipment co.LTD.in domestic oil fields and the overseas market has a perfect service network,has a complete presale saleafter-sales service systemand provide special conditions accordina to the customer reauest workofcustomized products.domestic products cover the fieldsare exported to North America southeast Asiathe Middle East central Asia and north Africa and otherreaions.
Company service:
1) Good quality control.
2) Competitive price.
3) The most professional sales team.
4) No lanquage barrier.
5) Effective OEM and ODM services.
Packaging & Shipping
FAQ
1. How can I place order?
A: You can contact us by email about your order details, or place order on line.
2.How do I pay?
A: After you confirm our PI, we will ask you to pay. T/T (HSBC) and PayPal, Western Union is our most commonly
used method.
3. Do you accept small orders?
A:Yes, don't be too small business. If you're a small retailer or starting a business, we'd definitely love to grow with you. We
look forward to building a long-term relationship with you.
4. Do you have any product inspection procedures?
A: 100% self-test before packaging.
5. What about the price? Can you get cheaper?
A: We always put the interests of our customers at the forefront. Prices are negotiable under different conditions and we assure you of the most competitive price.
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