US 8,616,275 B2Granted

Groundwater evaluation tools and methods of groundwater evaluation

OwnerRonald J. Paulsen, David B. Chadwick +2inventors

InventorsRonald J. Paulsen, David B. Chadwick, Gregory Jon Groves, Christopher Smith

Life of this patent

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Abstract

This application is directed to a probe used for measuring groundwater characteristics such as temperature and conductivity, and for collecting a groundwater sample. The probe also has a shielding device that allows the probe to be driven into a hard underwater surface without damaging the probe. A deployment rig for accurately placing the probe into the underwater surface is also disclosed. The application is further directed to a method for placing a probe and measuring groundwater characteristics. An external screen membrane used with the probe allows accurate groundwater characteristic measurement by filtering particulate matter. The probe and external screen membrane allow for in situ measurement and monitoring.

Claims7

Dependent claims

A liquid tip detection probe for taking measurements in a waterbed, comprising:

a drive point adapted for insertion into the waterbed;
an elongated body attached to the drive point;
a particulate filter having a top opening, a bottom opening, and a cylindrical surface, the particulate filter being removably connected to the elongated body;
one or more sensors in the elongated body located between the top opening, the bottom opening, and the cylindrical surface of the particulate filter;
and
a sample tube comprising a first end and a second end, wherein the first end of the sample tube is connected to a sampling system and the second end of the sample tube is located between the top opening, the bottom opening, and the cylindrical surface of the particulate filter and proximal to the one or more sensors.

3 more elements

Dependencies are inferred from the claim text.

Facts

Application: 12/881,588Filed 14 Sep 2010 · us provisional application
Priority: 14 Sep 2009
Published: US 2011/0061473 A117 Mar 2011
Granted: 31 Dec 2013
Term ends: Not estimatedThe source records don’t support an estimate.

Classification5 codes

G01N 1/14
In the liquid or fluent state: suction devices, e.g. pumps; Ejector devices
E21B 49/08
Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to…:…
G01N 2001/4088
By other techniques involving separation of suspended solids: filtration
G01N
Investigating or analysing materials by determining their chemical or physical properties