upstream


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upstream

1. in or towards the higher part of a stream; against the current
2. (in the oil industry) of or for any of the stages prior to oil production, such as exploration or research

upstream

[′əp¦strēm]
(chemical engineering)
That portion of a process stream that has not yet entered the system or unit under consideration; for example, upstream to a refinery or to a distillation column.
(hydrology)
Toward the source of a stream.

upstream

(networking)
Fewer network hops away from a backbone or hub. For example, a small ISP that connects to the Internet through a larger ISP that has their own connection to the backbone is downstream from the larger ISP, and the larger ISP is upstream from the smaller ISP.

upstream

From the consumer to the provider. See downstream and download vs. upload.
References in periodicals archive ?
The acquisition of DPTI provides Upstream with an opportunity to create a physical therapy platform
focused on experimental works in the allowable steps in pipework upstream of orifice plates.
Upstream PS QLD/NSW Regional Manager, Cameron Wills, added,"Our team looks forward to continuing to deliver value-added solutions, drawing on specialist CSG capability and collaborating with our client to deliver safe and efficient maintenance and operations services whilst maximizing plant availability.
Identify potential regulatory issues facing investors in the country's upstream sector
Upstream Works software solutions are available from Upstream Works directly or through their distribution partners.
The upstream portfolio had approximately 574 million barrels of oil equivalent of proven and probable reserves at 31 December 2009.
Initially AGR will pay a consideration to the sellers of AUD37m and an additional amount to Upstream of approximately AUD6m to fund Upstream's repayment of current net debt.
The model is characterized as follows: (a) the product market is imperfect, organized as a duopoly, and the upstream firms produce homogeneous substitutes; (b) downstream competition occurs in terms of quantities; (c) in each upstream firm one distinct union is active; (d) the manufacturers have the same demand functions, production functions, unions' utilities, and bargaining power; (2) and (e) it is assumed that contracts stipulated by a producer and a downstream firm remain unobserved by the rival upstream and downstream firms.
At least METI's upstream business strategy is growing a little clearer: It has been putting an emphasis on gaining more so-called "self development oil fields"--oil fields in which Japanese oil companies are directly involved in the development work from the earliest stages of the business.
Also, it is not entirely clear whether the analysis could encompass an upstream C reorganization, in light of the recent publication of the "anti-Bausch & Lomb" regulations at Regs.
Meehan, "a list that includes, UPSTREAM agents for non-disruptive online backup of all major databases, HSM file migration, file transfer between heterogeneous platforms and tape vaulting with centrally administered profile policy management for disaster protection to mention just a few of the features.
is at-risk for the cost of health care services that may exceed the fixed sum/capitation received from the upstream provider (the managed care organization).

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