SUNRY OILWELL EQUIPMENT CO. LTD.
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oil and gas drilling

Pressure Control

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Drilling Spools

Drilling Spool API

Drilling spool is designed to connect the BOP and wellhead, both side outlets of spool can be connected with valves or manifold to prevent blowout. All drilling spools are designed and manufactured as per API Spec 6A & 16A, conforming to NACE MR 0175 standard for anti- H2S. As per connection method, both Flanged spool and studded spool are available.

pdfDrilling Spool API 6A and 16A

 

Drilling Spools Specification

Drilling Spool 18-35 18-70 18-105 28-35 28-70 28-105
Nominal Diameter (mm) Φ185 Φ185 Φ180 Φ280 Φ280 Φ280
Working Pressure (Mpa/psi) 35/5,000 70/10,000 105/15,000 35/5,000 70/10,000 105/15,000
Bypass Diameter (mm) Φ103 Φ103/Φ78 Φ103/Φ78 Φ103 Φ103/Φ78 Φ103/Φ78
Top and Bottom Connection Flange API 6B 18-35 R46 API 6BX 18-70 BX156 API 6BX 18-105 BX156 API 6B 28-35 R46 API 6BX 28-70 BX156 API 6BX 28-105 BX156
Side Connection Flange API 6B 103-35 R39 API 6BX 103-70 BX155 (Φ103) API 6BX 103-105 BX155 (Φ103) API 6B 103-35 R39 API 6BX 103-70 BX155 (Φ103) API 6BX 103-105 BX155 (Φ103)
    API 6BX 78-70 BX155 (Φ78) API 6BX 78-105 BX155 (Φ78)   API 6BX 78-70 BX155 (Φ78) API 6BX 78-105 BX155 (Φ78)
Applicable Temperature (℃) -29~+121 29~+121 29~+121 -29~+121 29~+121 29~+121
Overall Dimension (L x W x H) mm 680x395x584 830x480x600 880x505x700 950x585x650 950x655x650 1,050x812x800
Weight (kg) 620 600 900 850 800 1,800
             
Drilling Spool 35-21 35-35 35-70 35-105 53-21 54-14
Nominal Diameter (mm) Φ346 Φ346 Φ346 Φ346 Φ530 Φ280
Working Pressure (Mpa/psi) 21/3,000 35/5,000 70/10,000 105/15,000 21/3,000 14/2,000
Bypass Diameter (mm) / Φ103 Φ103/Φ78 Φ103/Φ78 / /
Top and Bottom Connection Flange API 6B 35-35 R46 API 6BX 35-70 BX156 API 6BX 35-105 BX156 / /
Side Connection Flange / API 6B 103-35 R39 API 6BX 103-70 BX155 (Φ103) API 6BX 103-105 BX155 (Φ103) / /
  /   API 6BX 78-70 BX155 (Φ78) API 6BX 78-105 BX155 (Φ78) / /
Applicable Temperature (℃) -29~+121 29~+121 29~+121 -29~+121 29~+121 29~+121
Overall Dimension (L x W x H) mm 950x610x600 1,100x672x650 1,100x768x650 1,390x880x1,000 1,250x812x800 1,250x812x800
Weight (kg) 1,050 1,100 1,280 2,100 / /