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A modular well containment cellar system having a bottom portion, two co-planar half-panels joined to the bottom portion and separated by a through-channel portion, and a one side wall joined to a bottom portion and to the half-panels, forming a closed container with an open top for mating to anothe

A modular well containment cellar system having a bottom portion, two co-planar half-panels joined to the bottom portion and separated by a through-channel portion, and a one side wall joined to a bottom portion and to the half-panels, forming a closed container with an open top for mating to another cellar component at the half-panels, wherein a well pipe may be received into the through-channel. A plurality of drip diverters prevent downward-moving liquid from running between the mated half-panels and between the well pipe and the through-channel, to capture dripped and running liquids from above the containment cellar system.

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1. A modular well containment cellar system comprising: a bottom portion having at least two edges;two co-planar half-panels, joined to a first edge of the bottom portion and separated by a through-channel portion between the half-panels;at least one side wall joined to a second edge of the bottom p

1. A modular well containment cellar system comprising: a bottom portion having at least two edges;two co-planar half-panels, joined to a first edge of the bottom portion and separated by a through-channel portion between the half-panels;at least one side wall joined to a second edge of the bottom portion and joined to the half-panels, thereby forming a closed container with an open top for mating to another modular well containment cellar component at the half-panels for receiving a well pipe into the through-channel; anda plurality of drip diverters which divert downward-moving liquid from running between a pair or more of mated half-panels and between the well pipe and the through-channel, thereby avoiding reliance upon sealants or gaskets between mated half-panels;thereby, the well containment cellar being adapted for installation to a well head in a pair or more of containment components such that dripping and running liquids from above the containment cellar system are captured the well pipe is encased between a pair or more of the mated through-channels, and the well pipe is isolated from exposure to the captured liquids. 2. The system as set forth in claim 1 wherein the second edge of the bottom portion is an arc-like edge, and wherein the side wall comprises a curved wall. 3. The system as set forth in claim 1 wherein the second edge of the bottom portion comprises two or more straight edges, and wherein the side wall comprises two or more flat panels. 4. The system as set forth in claim 3 wherein the second edge of the bottom portion comprises three straight edges, and wherein the side wall comprises three panels. 5. The system as set forth in claim 1 wherein the plurality of drip diverters comprise at least one ridge cap for installation across a pair of top edges of mated half-panels. 6. The system as set forth in claim 1 wherein the plurality of drip diverters comprise at least one drip cone for affixing around the well pipe above the open top of the system, having a sufficient lower diameter to divert running and dripping liquids into the open top and away from top edges of the mating half-panels. 7. The system as set forth in claim 1 wherein one or more of the half-panels, side, wall and bottom portion are joined by frame members. 8. The system as set forth in claim 7 wherein one or more the half-panels, the side wall, and the bottom portion comprises sheet material affixed to the frame members. 9. A method of manufacture of a modular well containment cellar comprising: forming each of a plurality of containment components by: providing a bottom portion having at least two edges;providing two co-planar half-panels, joined to a first edge of the bottom portion and separated by a through-channel portion between the half-panels; andproviding at least one side wall joined to a second edge of the bottom portion and joined to the half-panels, thereby forming a closed container with an open top for mating to another containment component at the half-panels for receiving a well pipe into the through-channel; andforming a plurality of drip diverters which, when installed to a well head in a pair or more of containment components, divert downward-moving liquid from running between a pair or more of mated half-panels and between the well pipe and the through-channel, thereby avoiding reliance upon sealants or gaskets between mated half-panels;thereby, adapting the well containment cellar for installation to a well head in a pair or more of containment components such that dripping and running liquids from above the containment cellar system are captured the well pipe is encased between a pair or more of the mated through-channels, and the well pipe is isolated from exposure to the captured liquids. 10. The method as set forth in claim 9 wherein the second edge of the bottom portion is an arc-like edge, and wherein the side wall comprises a curved wall. 11. The method as set forth in claim 9 wherein the second edge of the bottom portion comprises two or more straight edges, and wherein the side wall comprises two or more flat panels. 12. The method as set forth in claim 11 wherein the second edge of the bottom portion comprises three straight edges, and wherein the side wall comprises three panels. 13. The method as set forth in claim 9 wherein the plurality of drip diverters comprise at least one ridge cap for installation across a pair of top edges of mated half-panels. 14. The method as set forth in claim 9 wherein the plurality of drip diverters comprise at least one drip cone for affixing around the well pipe above the open top of the system, having a sufficient lower diameter to divert running and dripping liquids into the open top and away from top edges of the mating half-panels. 15. The method as set forth in claim 9 wherein one or more of the half-panels, side, wall and bottom portion are joined by frame members. 16. The method as set forth in claim 15 wherein one or more the half-panels, the side wall, and the bottom portion comprises sheet material affixed to the frame members. 17. The method as set forth in claim 9 wherein the half-panels, side, wall and bottom portion comprise one or more materials selected from the group consisting of fiberglass, plastic, steel-reinforced concrete, stainless steel, and aluminum.