Kill Manifold

The kill manifold is a critical component used in drilling operations to manage well pressure and prevent blowouts. It allows for the controlled injection of heavy drilling fluid into the wellbore to balance bottom hole pressure when wellhead pressure increases, thereby preventing well kicks and potential blowouts. In addition, it provides a safe way to release excess pressure through blowdown lines or to inject water and fire suppression agents into the well if needed. The check valves integrated into the kill manifold ensure that fluids are only injected into the well and not allowed to flow back, which is essential for maintaining control during kill operations. --- **1. Application** In situations where wellhead pressure rises, the kill manifold serves as an essential tool to pump heavy drilling fluid into the well to balance the bottom hole pressure. This helps prevent well kicks and blowouts. Additionally, the kill manifold can be used to release increasing wellhead pressure directly via blowdown lines, reducing bottom hole pressure. It also allows for the injection of water or fire suppressants into the well using the same system. The check valves on the kill manifold are designed to allow only one-way flow, ensuring that no backflow occurs during critical operations. --- **2. Configuration** The kill manifold is composed of various components including check valves, gate valves, pressure gauges, and line pipes. One end of the manifold connects to the drilling spool, while the other end is linked to the pump. It is designed to meet API 16C standards and can be used in conjunction with a choke manifold. The kill manifold is available in multiple pressure ratings: 14MPa, 21MPa, 35MPa, and 70MPa, making it suitable for a wide range of drilling conditions. --- **3. Operating Instructions** - All line pipes, gate valves, and check valves must be rated for the same working pressure as the BOP stack being used. - The kill manifold is not intended for general use as a common line for pumping drilling fluid. --- **Parts List** | Item | Component | Qty | Material | |------|-------------------|-----|----------| | 1 | Skid Base | 1 | - | | 2 | Union Flange | 2 | 4130 | | 3 | Check Valve | 2 | - | | 4 | Blind Flange | 2 | 4130 | | 5 | Gate Valve | 2 | - | | 6 | Gate Valve | 2 | - | | 7 | Gate Valve | 1 | - | | 8 | Pressure Gauge | 1 | - | | 9 | Needle Valve | 1 | - | | 10 | Companion Flange | 1 | 4130 | | 11 | Five-way Piece | 1 | 4130 | This equipment is designed for high-performance and reliability in harsh environments, ensuring safety and operational efficiency during drilling and well control procedures.

Alloy Steel Flux Cored Wires

Alloy Steel Flux Cored Wires:

Application: It is suitable for welding of high temperature and high pressure pipelines, synthetic chemical machinery, petroleum cracking equipment, etc. working under 550 ℃, such as Cr5Mo steel. Carbon Steel Flux Cored Wires

Features: The arc is soft and stable, less splash, beautiful shape, good slag removal, less smoke and dust, and has excellent welding process performance.

Category		AWS standard	Chemical compostition of deposited metal(wt%)
			C	Mn	Si	Cr	Ni	Mo	P	S	V	Cu	Fe
Low-temperature Steel Flux CoredWire	Heat-resistant Steel CO2 Gas Shield	E81T1-K2C	0.15	0.5-1.75	0.8	0.15	1.0-2.0	0.35	0.03	0.03	0.05	-	-
	Low-temperature Steel CO2 Gas Shield	E81T1-Ni1C	0.12	1.5	0.8	0.15	0.8-1.1	0.35	0.03	0.03	0.05	-	-
		E91T1-Ni2C	0.12	1.5	0.8	-	1.75-2.75	-	0.03	0.03	-	-	-
	Weathering Steel CO2 Gas Shield	E81T1-W2C	0.12	0.5-1.3	0.35-0.8	0.45-0.7	0.4-0.8	-	0.03	0.03	-	0.3-0.75	-
	High-strength Steel CO2 Gas Shield	E101T1-K3C	0.15	0.75-2.25	0.8	0.15	1.25-2.60	0.25-0.65	0.03	0.03	0.05	-	-

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