In an exemplary embodiment, a modular secondary containment unit is adapted to surround an above-ground fluid storage tank and includes a plurality of corner assemblies. Two or more components of each of the corner assemblies are composed of one or more reinforced resin composite materials. In several exemplary embodiments, the modular secondary containment units and the above-ground fluid storage tanks are used in oil and gas exploration and production operations. In an exemplary embodiment, an assembly for a modular secondary containment unit includes a track segment including first and second channels, a wall segment mounted on the track segment and extending within the first channel of the track segment, and a brace engaged with the wall segment and extending within the second channel of the track segment. In an exemplary embodiment, a method of constructing a modular secondary containment unit is provided.

In an exemplary embodiment, a modular secondary containment unit is adapted to surround an above-ground fluid storage tank and includes a plurality of corner assemblies. Two or more components of each of the corner assemblies are composed of one or more reinforced resin composite materials. In several exemplary embodiments, the modular secondary containment units and the above-ground fluid storage tanks are used in oil and gas exploration and production operations. In an exemplary embodiment, an assembly for a modular secondary containment unit includes a track segment including first and second channels, a wall segment mounted on the track segment and extending within the first channel of the track segment, and a brace engaged with the wall segment and extending within the second channel of the track segment. In an exemplary embodiment, a method of constructing a modular secondary containment unit is provided.

Drive-over berm systems that protect raised sections of protective containment liners from truck and heavy equipment damage are disclosed. A ramped outer berm abuts an elevated portion of the liner, which may be raised to a desired height by an insert positioned under the liner. A ramped inner berm may about the elevated portion of the liner, and a connector plate may be used to secure the outer and inner ramped berms together. The height of the raised portion of the liner is selected to provide the desired sump capacity of the containment area. The inner berm and/or outer berm may be provided in sections that can be connected end-to-end.

Drive-over berm systems that protect raised sections of protective containment liners from truck and heavy equipment damage are disclosed. A ramped outer berm abuts an elevated portion of the liner, which may be raised to a desired height by an insert positioned under the liner. A ramped inner berm may about the elevated portion of the liner, and a connector plate may be used to secure the outer and inner ramped berms together. The height of the raised portion of the liner is selected to provide the desired sump capacity of the containment area. The inner berm and/or outer berm may be provided in sections that can be connected end-to-end.

A modular subsea fluid storage unit comprises a variable-volume inner tank having a rigid top panel and a peripheral wall that is flexible by virtue of concertina formations. The peripheral wall is extensible and retractable vertically while the horizontal width of the tank remains substantially unchanged. A side wall of a lower housing part surrounds and is spaced horizontally from the peripheral wall of the inner tank to define a floodable gap between the peripheral wall and the side wall that surrounds the tank. An upper housing part extends over and is vertically spaced from the top panel of the inner tank and overlaps the side wall to enclose the inner tank. The floodable gap and the upper housing part enhance thermal insulation and trap any fluids that may leak from the inner tank.

A modular subsea fluid storage unit comprises a variable-volume inner tank having a rigid top panel and a peripheral wall that is flexible by virtue of concertina formations. The peripheral wall is extensible and retractable vertically while the horizontal width of the tank remains substantially unchanged. A side wall of a lower housing part surrounds and is spaced horizontally from the peripheral wall of the inner tank to define a floodable gap between the peripheral wall and the side wall that surrounds the tank. An upper housing part extends over and is vertically spaced from the top panel of the inner tank and overlaps the side wall to enclose the inner tank. The floodable gap and the upper housing part enhance thermal insulation and trap any fluids that may leak from the inner tank.

A containment basin comprising a plurality of interlocking modular panels, wherein said modular panel are free-standing. The interlocking modular panel for use in a containment basin, comprise: a base section; and a side section; wherein said base section panel and side section panel being fixedly connected to one another at an edge and comprising a plurality of rib elements bridging the side section and base section.

A containment basin comprising a plurality of interlocking modular panels, wherein said modular panel are free-standing. The interlocking modular panel for use in a containment basin, comprise: a base section; and a side section; wherein said base section panel and side section panel being fixedly connected to one another at an edge and comprising a plurality of rib elements bridging the side section and base section.

A rapid deployment containment tank includes an inflatable container and a self-contained compressed gas source. The container defines a liquid chamber and an open top through which a liquid passes into the liquid chamber. The container is shiftable between a deflated configuration and an inflated configuration. The container includes a flexible base wall and a flexible sidewall cooperating to define the liquid chamber. The sidewall projects from the base wall along an interface and includes an air chamber. The air chamber includes a plurality of tubular columns spaced apart along the interface. The compressed gas source is coupled to the container and is fluidly connected to the air chamber to supply a compressed gas for inflating the container. The tubular columns are fillable with the compressed gas to cause the sidewall to lift upwardly from the base wall, as the container shifts from the deflated configuration to the inflated configuration.